linux-samsung-a5y17lte : add patch to fix kernel compilation with gcc10 (MR 1578)

Patch makes yyloc declaration extern.

device/.shared-patches/linux/gcc10-extern_YYLOC_global_declaration.patch

+Based on https://lkml.org/lkml/2020/4/1/1206. In original patch, YYLOC declaration was removed.
+However, using original patch, which removes yylloc declaration on 3.18.14 kernel version results in 'yylloc not declared' error.
+See part of the original description below:
+
+gcc 10 will default to -fno-common, which causes this error at link
+time:
+
+  (.text+0x0): multiple definition of `yylloc'; dtc-lexer.lex.o (symbol from plugin):(.text+0x0): first defined here
+
+This is because both dtc-lexer as well as dtc-parser define the same
+global symbol yyloc. Before with -fcommon those were merged into one
+defintion. The proper solution would be to to mark this as "extern",
+
+diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
+index 3b41bfca636..9b9c29e6f31 100644
+--- a/scripts/dtc/dtc-lexer.l
++++ b/scripts/dtc/dtc-lexer.l
+@@ -39,7 +39,7 @@ LINECOMMENT	"//".*\n
+ #include "srcpos.h"
+ #include "dtc-parser.tab.h"
+ 
+-YYLTYPE yylloc;
++extern YYLTYPE yylloc;
+ 
+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+ #define	YY_USER_ACTION \
+diff --git a/scripts/dtc/dtc-lexer.lex.c_shipped b/scripts/dtc/dtc-lexer.lex.c_shipped
+index 2d30f41778b..d0eb405cb81 100644
+--- a/scripts/dtc/dtc-lexer.lex.c_shipped
++++ b/scripts/dtc/dtc-lexer.lex.c_shipped
+@@ -637,7 +637,7 @@ char *yytext;
+ #include "srcpos.h"
+ #include "dtc-parser.tab.h"
+ 
+-YYLTYPE yylloc;
++extern YYLTYPE yylloc;
+ 
+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+ #define	YY_USER_ACTION \

device/testing/linux-samsung-a5y17lte/APKBUILD

@@ -3,7 +3,7 @@
 
 pkgname=linux-samsung-a5y17lte
 pkgver=3.18.14
-pkgrel=5
+pkgrel=6
 pkgdesc="Samsung Galaxy A5 (2017) kernel fork"
 arch="aarch64"
 _carch="arm64"
@@ -25,6 +25,7 @@ source="
 	fix_firmware_path.patch
 	gcc7-give-up-on-ilog2-const-optimizations.patch
 	gcc8-fix-put-user.patch
+	gcc10-extern_YYLOC_global_declaration.patch
 	0007-usb_gadget-set-random-rndis-host-MAC-address-to-prev.patch
 	qcacld-2.0.config
 	disable_wlan_werror.qcapatch
@@ -82,6 +83,7 @@ c9944df60530b58936064eb23152d0b3e67ca469213fd15ba2e641920cf73ec9e9aa54691a0c6b9f
 9e2fb4b559936fdf77634ed7b3b85b2431b79ae9304f58c97172ba933bbfa365291650b20ddce41993526e39ca866049b765f730690f446ef047d86873a5f710  fix_firmware_path.patch
 77eba606a71eafb36c32e9c5fe5e77f5e4746caac292440d9fb720763d766074a964db1c12bc76fe583c5d1a5c864219c59941f5e53adad182dbc70bf2bc14a7  gcc7-give-up-on-ilog2-const-optimizations.patch
 197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967  gcc8-fix-put-user.patch
+2b48f1bf0e3f70703d2cdafc47d5e615cc7c56c70bec56b2e3297d3fa4a7a1321d649a8679614553dde8fe52ff1051dae38d5990e3744c9ca986d92187dcdbeb  gcc10-extern_YYLOC_global_declaration.patch
 b5f7aed0d4c78fcd9ea6f65e11606c4d33004b45eed39017baa8b0a78db801396aa04ba7cd3a4a669c23f878f5462ae1b5f753e0e26b65c9962fd1e98855e524  0007-usb_gadget-set-random-rndis-host-MAC-address-to-prev.patch
 83a432ab7e3ee3cae47b0c751cf0a268f4291411789a1cf9187ef003a0f09b46316c0669e92bd91d3062b3d020005e67aea6fbf48b8ef87ba9b7f3a86a44612b  qcacld-2.0.config
 23278ca0660f17723506ca5befea757d736bd2cf4f01bccfaf4c154f94d42828fc2f49fd599f3295623a65f85b3b89bea18389a65c63f82f0496a92e8e6d8d72  disable_wlan_werror.qcapatch

device/testing/linux-samsung-a5y17lte/gcc10-extern_YYLOC_global_declaration.patch

+../../.shared-patches/linux/gcc10-extern_YYLOC_global_declaration.patch
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