bcm27xx: refresh bcm2711 kernel config

Refresh outdated bcm2711 (RPi 4B) kernel config.

Signed-off-by: Álvaro Fernández Rojas <[email protected]>

target/linux/bcm27xx/bcm2711/config-6.1

@@ -26,6 +26,7 @@ CONFIG_ARM64_CNP=y
 CONFIG_ARM64_EPAN=y
 CONFIG_ARM64_ERRATUM_1319367=y
 CONFIG_ARM64_HW_AFDBM=y
+CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419=y
 CONFIG_ARM64_PAGE_SHIFT=12
 CONFIG_ARM64_PAN=y
 CONFIG_ARM64_PA_BITS=48
@@ -36,7 +37,7 @@ CONFIG_ARM64_SVE=y
 CONFIG_ARM64_TAGGED_ADDR_ABI=y
 CONFIG_ARM64_VA_BITS=39
 CONFIG_ARM64_VA_BITS_39=y
-CONFIG_ARM64_WORKAROUND_CLEAN_CACHE=y
+CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT=y
 CONFIG_ARM_AMBA=y
 CONFIG_ARM_ARCH_TIMER=y
 CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y