RV1106: Reduce kernel memory footprint

RV1103 (64MB RAM) does not boot after kconfig changes in January.
Remove extra debugging (tracing, BTF) to reduce boot-time memory.

config/kernel/linux-rockchip-rv1106-vendor.config

@@ -274,7 +274,6 @@ CONFIG_MTD_UBI_BLOCK=y
 CONFIG_OF_OVERLAY=y
 CONFIG_ZRAM=m
 CONFIG_ZRAM_WRITEBACK=y
-CONFIG_ZRAM_MEMORY_TRACKING=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_SCSI=y
@@ -539,11 +538,6 @@ CONFIG_KEY_DH_OPERATIONS=y
 # CONFIG_XZ_DEC_SPARC is not set
 CONFIG_PRINTK_TIME=y
 # CONFIG_DEBUG_MISC is not set
-CONFIG_DEBUG_INFO_DWARF5=y
-CONFIG_DEBUG_INFO_BTF=y
-CONFIG_DEBUG_FS=y
 # CONFIG_SLUB_DEBUG is not set
 # CONFIG_SCHED_DEBUG is not set
-CONFIG_FUNCTION_TRACER=y
-CONFIG_FTRACE_SYSCALLS=y
 # CONFIG_RUNTIME_TESTING_MENU is not set

config/sources/families/rockchip-rv1106.conf

@@ -60,6 +60,7 @@ case $BRANCH in
 		KERNELSOURCE='https://github.com/armbian/linux-rockchip.git'
 		KERNELBRANCH='branch:rk-6.1-rkr5.1'
 		KERNELPATCHDIR='rv1106-vendor-6.1'
+		KERNEL_BTF="no"
 		;;
 
 esac