ARM: OMAP4: Enable fix for Cortex-A9 erratas

This enables the fixes for the below erratas
applicable for OMAP4 Socs.

754322: Faulty MMU translations following ASID switch

775420: A data cache maintenance operation which aborts,
        followed by an ISB, without any DSB in-between,
        might lead to deadlock

Signed-off-by: Sricharan R <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/Kconfig

@@ -97,6 +97,8 @@ config ARCH_OMAP4
 	select PM_RUNTIME if CPU_IDLE
 	select USB_ARCH_HAS_EHCI if USB_SUPPORT
 	select COMMON_CLK
+	select ARM_ERRATA_754322
+	select ARM_ERRATA_775420
 
 config SOC_OMAP5
 	bool "TI OMAP5"