PXA: Rename pxa_dram_init to pxa2xx_dram_init

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/board/vpac270/onenand.c b/board/vpac270/onenand.c
index dceb5b7..c2ae9a7 100644
--- a/board/vpac270/onenand.c
+++ b/board/vpac270/onenand.c
@@ -45,7 +45,7 @@
 
 	/* Hereby, the code runs from (S)RAM, copy U-Boot and execute it. */
 	arch_cpu_init();
-	pxa_dram_init();
+	pxa2xx_dram_init();
 	onenand_spl_load_image(CONFIG_SPL_ONENAND_LOAD_ADDR,
 				CONFIG_SPL_ONENAND_LOAD_SIZE,
 				(void *)CONFIG_SYS_TEXT_BASE);