defconfig: 8974: remove config option for 8226

8974 and 8226 no longer share the same binary. Remove the config
option to disable compiling 8226 with 8974.

Change-Id: I111c2606e36e4cc18ad77f811130ac7e32603af6
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
1 file changed