ARM: 7542/1: mm: fix cache LoUIS API for xscale and feroceon

Some architectures like xscale and feroceon have cache API variants that
map cache flushing functions as aliases to the base architecture.
This patch adds the required aliases to complete the implementation of
cache flushing LoUIS API.
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mm/proc-feroceon.S

@@ -434,6 +434,7 @@ ENDPROC(feroceon_dma_unmap_area)
 	range_alias flush_icache_all
 	range_alias flush_user_cache_all
 	range_alias flush_kern_cache_all
+	range_alias flush_kern_cache_louis
 	range_alias flush_user_cache_range
 	range_alias coherent_kern_range
 	range_alias coherent_user_range

arch/arm/mm/proc-xscale.S

@@ -442,6 +442,7 @@ ENDPROC(xscale_dma_unmap_area)
 	a0_alias flush_icache_all
 	a0_alias flush_user_cache_all
 	a0_alias flush_kern_cache_all
+	a0_alias flush_kern_cache_louis
 	a0_alias flush_user_cache_range
 	a0_alias coherent_kern_range
 	a0_alias coherent_user_range