[][kernel][mt7988][Change config-5.4 and dtsi files to support pstore]

[Description]
Change config-5.4 and dtsi files to support pstore.

[Release-log]
N/A

Change-Id: I0fdb8b3705c31a59018718f03e8d81fe7418a2c2
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7192565
diff --git a/target/linux/mediatek/mt7988/config-5.4 b/target/linux/mediatek/mt7988/config-5.4
index 14a6468..7ff8795 100644
--- a/target/linux/mediatek/mt7988/config-5.4
+++ b/target/linux/mediatek/mt7988/config-5.4
@@ -389,6 +389,16 @@
 CONFIG_POWER_RESET_SYSCON=y
 CONFIG_POWER_SUPPLY=y
 CONFIG_PRINTK_TIME=y
+CONFIG_PSTORE=y
+# CONFIG_PSTORE_842_COMPRESS is not set
+CONFIG_PSTORE_CONSOLE=y
+# CONFIG_PSTORE_DEFLATE_COMPRESS is not set
+# CONFIG_PSTORE_LZ4HC_COMPRESS is not set
+# CONFIG_PSTORE_LZ4_COMPRESS is not set
+# CONFIG_PSTORE_LZO_COMPRESS is not set
+CONFIG_PSTORE_PMSG=y
+CONFIG_PSTORE_RAM=y
+# CONFIG_PSTORE_ZSTD_COMPRESS is not set
 CONFIG_PWM=y
 CONFIG_PWM_MEDIATEK=y
 # CONFIG_PWM_MTK_DISP is not set