[omap3] add the appropriate little smi blurb you have to do to enable
the L2
diff --git a/arch/arm/arch.c b/arch/arm/arch.c
index 37b557c..ae2fcf2 100644
--- a/arch/arm/arch.c
+++ b/arch/arm/arch.c
@@ -50,6 +50,11 @@
 	platform_init_mmu_mappings();
 #endif
 
+#if PLATFORM_OMAP3
+	/* do an omap3 specific setup of the L2 */	
+	__asm__ volatile("mov r12, #1; .word 0xe1600070" ::: "r12");
+#endif
+
 	/* turn the cache back on */
 	arch_enable_cache(UCACHE);