config-6.1: disable CONFIG_ARM64_ERRATUM_2966298

Disable new ksym globally as OpenWrt does not have any targets that
use A520 cores.

Reviewed-by: Robert Marko <[email protected]>
Signed-off-by: John Audia <[email protected]>

target/linux/generic/config-6.1

@@ -375,6 +375,7 @@ CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=8
 # CONFIG_ARM64_ERRATUM_843419 is not set
 # CONFIG_ARM64_ERRATUM_845719 is not set
 # CONFIG_ARM64_ERRATUM_858921 is not set
+# CONFIG_ARM64_ERRATUM_2966298 is not set
 # CONFIG_ARM64_HW_AFDBM is not set
 # CONFIG_ARM64_LSE_ATOMICS is not set
 CONFIG_ARM64_MODULE_PLTS=y