kernel: add default config for ARM_ERRATA symbols for kernel 3.3

Commit r37470 did not add a default conig for the ARM_ERRATA symbols for kernel 3.3.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38352 3c298f89-4303-0410-b956-a3cf2f4a3e73