Pull x86 cleanups from Ingo Molnar:
"Three small cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lguest: Read offset of device_cap later
lguest: Read length of device_cap later
x86: Do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB