omap4-common: Revert back to Motorola's workaround for i719

Revert "Revert "[moto] arch/arm/mach-omap2/omap4-sar: changes for sar restore""
This reverts commit fed5f03d61d40147bbd0a8a6f4efa2f13ae74d2d.

Revert "ARM: OMAP4: USB: Update workaround for USB errata i719"
This reverts commit 58cb9633db740df1268c28426de62d025ebb0ed9.

Revert "OMAP4430: USB Host: Implement workaround for Errata i719"
This reverts commit 4f22585d474427eec131fbf9740ddcaf6c8de0d8.

Revert "OMAP4: SAR: WA overwrite L3INIT CD mode to SW_SLEEP(1) in SAR"
This reverts commit 49af0431b126f0e71f7539212c17a8c35fd810cf.

Change-Id: I83d1a2b212b8138f34c782ef926ec2250dfc585b
omap4-common: handle -ETIME in mdm6600-driver

Change-Id: Ie9c3b1c9101c31cb61ca4f4ded5bbd747e742bc6