linux-postmarketos-qcom-msm8996: tweak configs (MR 3317)

Enable:
* CONFIG_UINPUT required by fbkeyboard
* CONFIG_PSTORE_PMSG required to enable dmesg/console ramoops

Co-Authored-By: Oliver Smith <ollieparanoid@postmarketos.org>
[ci:skip-build]: already built successfully in CI

device/community/linux-postmarketos-qcom-msm8996/APKBUILD

@@ -4,7 +4,7 @@
 _flavor="postmarketos-qcom-msm8996"
 pkgname=linux-$_flavor
 pkgver=5.18.1
-pkgrel=1
+pkgrel=2
 pkgdesc="Kernel close to mainline with extra patches for Qualcomm MSM8996 devices"
 arch="aarch64"
 _carch="arm64"
@@ -55,5 +55,5 @@ package() {
 }
 sha512sums="
 909d9735623b9cf20e1efa735e520eed579751bcbb45f95821d489d993424c8ac3699f3fdbdd339c70188acb5b6315fee4a7dd9087f098e5dc23c1498277cc56  linux-v5.18.1-msm8996.tar.gz
-289a080aa4977141d2d36c5e2cc459d23241fbc59c3754768b08f93de6311950607379eac00dc84acd25c1974f495c508cb17b2111a08b53cd8dabb09b39abaa  config-postmarketos-qcom-msm8996.aarch64
+03ee47e62ae9eb4e45f55d876c9479ded028f607904df3fa591e9efcd335c7722660494dbf364ce9249cbfcf9bfe6fce1ec0c32e53cdcfa4c36dc5f2a167856c  config-postmarketos-qcom-msm8996.aarch64
 "

device/community/linux-postmarketos-qcom-msm8996/config-postmarketos-qcom-msm8996.aarch64

@@ -2428,7 +2428,7 @@ CONFIG_INPUT_GPIO_VIBRA=y
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
 # CONFIG_INPUT_REGULATOR_HAPTIC is not set
-# CONFIG_INPUT_UINPUT is not set
+CONFIG_INPUT_UINPUT=m
 # CONFIG_INPUT_PCF8574 is not set
 # CONFIG_INPUT_PWM_BEEPER is not set
 CONFIG_INPUT_PWM_VIBRA=y
@@ -6416,7 +6416,7 @@ CONFIG_PSTORE_COMPRESS=y
 CONFIG_PSTORE_DEFLATE_COMPRESS_DEFAULT=y
 CONFIG_PSTORE_COMPRESS_DEFAULT="deflate"
 CONFIG_PSTORE_CONSOLE=y
-# CONFIG_PSTORE_PMSG is not set
+CONFIG_PSTORE_PMSG=y
 CONFIG_PSTORE_RAM=y
 # CONFIG_PSTORE_BLK is not set
 # CONFIG_SYSV_FS is not set