common/base_state: Fix enum type
common/base_state: Fix enum type

common/base_state.c:65:9: error: implicit conversion from enumeration type
'enum ec_error_list' to different enumeration type 'enum ec_status'
[-Werror,-Wenum-conversion]
        return EC_SUCCESS;

BRANCH=none
BUG=b:172020503
TEST=make CC=arm-none-eabi-clang BOARD=kakadu
TEST=make buildall

Signed-off-by: Tom Hughes <fc5c12f30a5ed2baa0581f44ee14ad1eb7b20d83@chromium.org>
Change-Id: I7ad0b349270d00a1156462aa32ad19f342b6db61
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3198204
Reviewed-by: Paul Fagerburg <d8c44b60afb21c60f56d931aa690ca1cf34910c8@chromium.org>
Reviewed-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec