Makefile : fix generation of cpu related asm-offsets.h

commit 0edf8b5b2f breaks
building on a different directory with the O= parameter.
The patch wil fix this issue, generating always asm-offsets.h before
the other targets.

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Matthias Weisser <weisserm@arcor.de>
CC: Wolfgang Denk <wd@denx.de>

board/freescale/mx35pdk/lowlevel_init.S

@@ -21,7 +21,7 @@
 
 #include <config.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 #include "mx35pdk.h"
 
 /*

board/logicpd/imx27lite/lowlevel_init.S

@@ -26,7 +26,7 @@
 #include <version.h>
 #include <asm/macro.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 SOC_ESDCTL_BASE_W:	.word	IMX_ESD_BASE
 SOC_SI_ID_REG_W:	.word	IMX_SYSTEM_CTL_BASE

board/syteco/jadecpu/lowlevel_init.S

@@ -30,7 +30,7 @@
 #include <version.h>
 #include <asm/macro.h>
 #include <asm/arch/mb86r0x.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 /* Set up the platform, once the cpu has been initialized */
 .globl lowlevel_init

board/syteco/zmx25/lowlevel_init.S

@@ -27,7 +27,7 @@
 #include <asm/macro.h>
 #include <asm/arch/macro.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 /*
  * clocks