PXA: Rename pxa_dram_init to pxa2xx_dram_init

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/board/pxa255_idp/pxa_idp.c b/board/pxa255_idp/pxa_idp.c
index 7b975f6..877e8d9 100644
--- a/board/pxa255_idp/pxa_idp.c
+++ b/board/pxa255_idp/pxa_idp.c
@@ -86,7 +86,7 @@
 
 int dram_init(void)
 {
-	pxa_dram_init();
+	pxa2xx_dram_init();
 	gd->ram_size = PHYS_SDRAM_1_SIZE;
 	return 0;
 }