Fix mounting of /boot

seems to be related to https://gitlab.com/postmarketOS/pmaports/-/issues/2874

device/testing/linux-sony-ps4/APKBUILD

@@ -86,7 +86,7 @@ package() {
 
 sha512sums="
 405be3edf5855e45b50fd163542e00f58fab0d80c9e93e9605100107eba79ce4b49b83d5ddda3226665bdbdd1c31ac06b4ef05cf87b31f7cf1ff8adf662f2178  linux-5.15.110.tar.gz
-faa59377291f647fc02f4052d0525f311233ac1741d2cdd9d19fb2d9030fb2885ade5e738e140304d062d5f8a98c8b023a944b46eec737c96b233cf38d8c2e9b  config-sony-ps4.x86_64
+1632c7eb73a7341b8fa1981a66bb59fe21aa6d04cad11bbbf85823950451240d942c40c8eb0b7a1301beec00f3375ae84cbb50594cca4f5fa9983fca56f09dae  config-sony-ps4.x86_64
 7d4e6ab0d273b4d121bfb485334ea949abc4466a914ac596edfae716f3f1d5dde896d27b2b29efd77115d732a0256db3b395ab7cf8d91a47d4a3c45778dc753e  0001-feat-very-basic-platform-support.patch
 e69400cbc1772bc247868004f874c174289747fc36f5df6002664a6813fd24b7fe2dae3b6f6e0647466f89735454914d49316bbb996dd41863bcca1424c5191c  0002-feat-amdgpu-patches.patch
 cffb257874c4e746c82a06be9b9442df9c2deb897e479c7d75a7d73883a64e0d9f00812e1468d8e3fdd15eda0bcfe92668c96bee2f7e2de57c1088f467b329b4  0003-feat-radeon-patches.patch

device/testing/linux-sony-ps4/config-sony-ps4.x86_64

@@ -3344,7 +3344,7 @@ CONFIG_NLS_CODEPAGE_850=y
 # CONFIG_NLS_ISO8859_8 is not set
 # CONFIG_NLS_CODEPAGE_1250 is not set
 # CONFIG_NLS_CODEPAGE_1251 is not set
-# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ASCII=y
 CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_ISO8859_2 is not set
 # CONFIG_NLS_ISO8859_3 is not set