powerpc/configs/c2k: Switch CONFIG_GEN_RTC from =m to =y

In commit 835ea93e9d ("char/genrtc: remove powerpc support"),
CONFIG_GEN_RTC switch from tristate to bool, update the defconfig to
match.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2017-08-23 15:38:04 +10:00
commit 8f67600f21