common: Drop asm_offsets.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/powerpc/cpu/mpc83xx/cpu_init.c b/arch/powerpc/cpu/mpc83xx/cpu_init.c
index af8faca..4defe98 100644
--- a/arch/powerpc/cpu/mpc83xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc83xx/cpu_init.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <asm-offsets.h>
 #include <mpc83xx.h>
 #include <ioports.h>
 #include <asm/io.h>
diff --git a/arch/powerpc/cpu/mpc83xx/spl_minimal.c b/arch/powerpc/cpu/mpc83xx/spl_minimal.c
index 34c8187..2c61f2b 100644
--- a/arch/powerpc/cpu/mpc83xx/spl_minimal.c
+++ b/arch/powerpc/cpu/mpc83xx/spl_minimal.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <asm-offsets.h>
 #include <clock_legacy.h>
 #include <mpc83xx.h>
 #include <time.h>
diff --git a/arch/powerpc/cpu/mpc85xx/commproc.c b/arch/powerpc/cpu/mpc85xx/commproc.c
index 37e7062..95215a0 100644
--- a/arch/powerpc/cpu/mpc85xx/commproc.c
+++ b/arch/powerpc/cpu/mpc85xx/commproc.c
@@ -22,6 +22,7 @@
  * currently no deallocator for this memory.
  */
 #include <common.h>
+#include <asm-offsets.h>
 #include <asm/cpm_85xx.h>
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
index 40cb24d..c519e8b 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <asm-offsets.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/fsl_law.h>
diff --git a/arch/powerpc/cpu/mpc86xx/cpu_init.c b/arch/powerpc/cpu/mpc86xx/cpu_init.c
index 34752a3..a17091d 100644
--- a/arch/powerpc/cpu/mpc86xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc86xx/cpu_init.c
@@ -9,6 +9,7 @@
  * cpu_init.c - low level cpu init
  */
 
+#include <asm-offsets.h>
 #include <config.h>
 #include <common.h>
 #include <init.h>