misc: Fix merge conflicts from 3.4.10 stable merge

* MSM8X60 should select ARM_ERRATA_720789
* SDHCI driver does not allow for tuning opcode
* Remove unused variable in ext4/resize.c

Change-Id: I2acf14e162f5b4dfa27a9bf088a2db218aeb5a99
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a333271..43f7e77 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1251,7 +1251,7 @@
 		if ((host->flags & SDHCI_NEEDS_RETUNING) &&
 		    !(present_state & (SDHCI_DOING_WRITE | SDHCI_DOING_READ))) {
 			spin_unlock_irqrestore(&host->lock, flags);
-			sdhci_execute_tuning(mmc, mrq->cmd->opcode);
+			sdhci_execute_tuning(mmc);
 			spin_lock_irqsave(&host->lock, flags);
 
 			/* Restore original mmc_request structure */