rpi23-linux-5.10.config: re-enable CONFIG_STACKPROTECTOR_PER_TASK (#401)

Author: HaseenaSainul

board/raspberrypi/rpi23-linux-5.10.config

@@ -41,7 +41,6 @@ CONFIG_VMSPLIT_2G=y
 # CONFIG_CPU_SW_DOMAIN_PAN is not set
 CONFIG_UACCESS_WITH_MEMCPY=y
 # CONFIG_ATAGS is not set
-# CONFIG_STACKPROTECTOR_PER_TASK is not set
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_STAT=y
 CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE=y