work around non-working uhs mode

(cherry picked from commit 3dec5836da77d0ec4041711486c0c3a4ee75b8e7)
add rmk's patches

Conflicts:
	arch/arm/boot/dts/Makefile
	arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
add .config for Fedora

(cherry picked from commit a2cbb13b44fe38ac670493e42ce0bfa29f15ac64)
Merge branch '3.18-rc1' of github.com:jmontleon/fedora-20-cubox-i_hb into 3.18-rc1
documentation is not building properly