powerpc: ppc4xx: Call board_init_f_mem() for generic board

Call this function to set up our early memory.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/powerpc/cpu/ppc4xx/start.S

@@ -760,6 +760,15 @@ _start:
 #endif
 
 	bl	cpu_init_f	/* run low-level CPU init code	   (from Flash) */
+#ifdef CONFIG_SYS_GENERIC_BOARD
+	mr	r3, r1
+	bl	board_init_f_mem
+	mr	r1, r3
+	li	r0,0
+	stwu	r0, -4(r1)
+	stwu	r0, -4(r1)
+#endif
+	li	r3, 0
 	bl	board_init_f
 	/* NOTREACHED - board_init_f() does not return */
 
@@ -1027,7 +1036,14 @@ _start:
 	GET_GOT			/* initialize GOT access			*/
 
 	bl	cpu_init_f	/* run low-level CPU init code	   (from Flash) */
-
+#ifdef CONFIG_SYS_GENERIC_BOARD
+	mr	r3, r1
+	bl	board_init_f_mem
+	mr	r1, r3
+	stwu	r0, -4(r1)
+	stwu	r0, -4(r1)
+#endif
+	li	r3, 0
 	bl	board_init_f	/* run first part of init code (from Flash)	*/
 	/* NOTREACHED - board_init_f() does not return */