omap4-common: initialize a few uninitialized vars

Change-Id: Ie8067aa8424672fa36ed75b82a5f5cfd7524f67a
usb: save sar-regs in ohci-omap3, too

Change-Id: Iff0097f987580694d8c515f08dde5af9f1e36955
Merge branch 'cm-11.0' into kk_mkt