main/linux-postmarketos-allwinner: add patch descriptions (MR 1372)

Fixes linter warnings

main/linux-postmarketos-allwinner/APKBUILD

@@ -65,5 +65,5 @@ dev() {
 }
 sha512sums="b26791eb313fe0b0059ede16042e4b344751affc1fc8522072b95a8a08fe8010daf5a969ce706b694d9c95419c2c64b40a52fc0341307a0d9bf34a1a5d6da11f  linux-postmarketos-allwinner-be7bb465172f294e407757313b76e8d509f56626.tar.gz
 4110573d164bf89487d70dba4e31961ea310010d2912c0285c5dc4b660f066d3cec5115b8eb5d5969a4fae7be2c5937d8045cdc33f8bbc67002afb26c943942a  config-postmarketos-allwinner.aarch64
-8cdfb6d8a894e610c261446663dfbe34c01612a091fa029645e86913634de4394db0d1ab7dedb190052dff82330f0ddabe31860bbf7cd6fe0cdf23e37d0a6ca6  disable-power-save.patch
-5f403bb1e3e7528954adcba4429768ce26bf13382dc6325ced245babcfb5252d515bea812b9df16d0e5370c9d4e07b4e0267f4c750281faf3cb6ffb29906700c  touch-dts.patch"
+6826e5541b1abcb64f6cf7fb03dd013c278e3173ef500bdebafdb66baca45908d96a9424a6d3a2bcd38b93aa74b30a60fe577ab817241eb3d557c023a21e2a58  disable-power-save.patch
+c6e1ff1c060f68a59fa57a7cfc573a500fc8d200f56193530f7c1967e4f70f17cb2c930496f6a6489a6a10de130a2e66f5cd328eb6c4ae936f4af348a7413c3b  touch-dts.patch"

main/linux-postmarketos-allwinner/disable-power-save.patch

+Disable power saving in Wi-Fi driver. Fixes Wi-Fi stability
 diff --git a/drivers/staging/rtl8723cs-new/Makefile b/drivers/staging/rtl8723cs-new/Makefile
 index 17e66758e6fb..626119f460be 100644
 --- a/drivers/staging/rtl8723cs-new/Makefile

main/linux-postmarketos-allwinner/touch-dts.patch

+Some devkits have inverted touchscreen X axis. Support them
 diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
 index 7806eee28..cb2bc2450 100644
 --- a/arch/arm64/boot/dts/allwinner/Makefile