ARM: mxs_defconfig: Select CONFIG_MMC_UNSAFE_RESUME

PM subsystem treats mmc card as removed during suspend.

If MMC is used to store the root file system, it is better to tell the kernel
not to treat it as a removable media, so select CONFIG_MMC_UNSAFE_RESUME for
such purpose.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
ARM: mxs_defconfig: Make USB host functional again

commit 09f6ffde2e (USB: EHCI: fix build error by making ChipIdea host a normal
EHCI driver) introduced CONFIG_USB_EHCI_HCD as a dependency for USB_CHIPIDEA_HOST.

Select CONFIG_USB_EHCI_HCD, so that USB host can be functional again.

Cc: <stable@vger.kernel.org> # 3.8
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>