arm: pxa: move SP check from start.S to cpuinfo.c

PXA start.S has a PXA (variant) specific check in
start.S. Move it to cpuinfo.c.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Acked-by: Marek Vasut <marex@denx.de>

arch/arm/cpu/pxa/cpuinfo.c

@@ -11,6 +11,12 @@
 #include <errno.h>
 #include <linux/compiler.h>
 
+#ifdef CONFIG_CPU_PXA25X
+#if ((CONFIG_SYS_INIT_SP_ADDR) != 0xfffff800)
+#error "Init SP address must be set to 0xfffff800 for PXA250"
+#endif
+#endif
+
 #define	CPU_MASK_PXA_PRODID	0x000003f0
 #define	CPU_MASK_PXA_REVID	0x0000000f
 

arch/arm/cpu/pxa/start.S

@@ -23,12 +23,6 @@
 #include <config.h>
 #include <version.h>
 
-#ifdef CONFIG_CPU_PXA25X
-#if ((CONFIG_SYS_INIT_SP_ADDR) != 0xfffff800)
-#error "Init SP address must be set to 0xfffff800 for PXA250"
-#endif
-#endif
-
 .globl _start
 _start: b	reset
 #ifdef CONFIG_SPL_BUILD