mmc: OMAP HSMMC: DDR support added.

OMAP HSMMC updated to support DDR mode

Change-Id: Ifb8643e264216edf514a7e31ec989316700ee322
Signed-off-by: Viswanath Puttagunta <vishp@ti.com>
mmc: Fix bug to enable DDR on MMC

MMC_CAP_UHS_DDR50 is an SD card feature and not
MMC feature. We don't have to check for this flag
to enable DDR on MMC. Checking for MMC_CAP_1.8V_DDR
is sufficient.

Change-Id: I6f44cb1f4dde6fe70cc816a2119c7b2b90944500
Signed-off-by: Viswanath Puttagunta <vishp@ti.com>
setup sr 1.5
arch: omap: export current IVA clock to userspace, make GPU+IVA exports match
similar to scaling_cur_freq, gpu_cur_freq and iva_cur_freq
update temp threshold to francos
lower the screen volts
lower the wifi voltage more
524 for our lil gpu