PXA: Rename pxa_dram_init to pxa2xx_dram_init

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/board/colibri_pxa270/colibri_pxa270.c b/board/colibri_pxa270/colibri_pxa270.c
index 06f970b..d72e5d6 100644
--- a/board/colibri_pxa270/colibri_pxa270.c
+++ b/board/colibri_pxa270/colibri_pxa270.c
@@ -51,7 +51,7 @@
 
 int dram_init(void)
 {
-	pxa_dram_init();
+	pxa2xx_dram_init();
 	gd->ram_size = PHYS_SDRAM_1_SIZE;
 	return 0;
 }