Disintegrate asm/system.h for PowerPC

Disintegrate asm/system.h for PowerPC.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
cc: linuxppc-dev@lists.ozlabs.org
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index bf6c7cc..4dd5341 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -26,7 +26,6 @@
 
 #include <asm/udbg.h>
 #include <asm/io.h>
-#include <asm/system.h>
 #include <asm/rheap.h>
 #include <asm/cpm.h>
 
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index e8f385f..c449dbd 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -31,7 +31,6 @@
 #include <linux/fs_enet_pd.h>
 #include <linux/fs_uart_pd.h>
 
-#include <asm/system.h>
 #include <linux/atomic.h>
 #include <asm/io.h>
 #include <asm/irq.h>
diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c
index 5287e95..0968b66 100644
--- a/arch/powerpc/sysdev/msi_bitmap.c
+++ b/arch/powerpc/sysdev/msi_bitmap.c
@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/bitmap.h>
 #include <asm/msi_bitmap.h>
+#include <asm/setup.h>
 
 int msi_bitmap_alloc_hwirqs(struct msi_bitmap *bmp, int num)
 {
diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c
index 2370e1c..1fd0717 100644
--- a/arch/powerpc/sysdev/tsi108_dev.c
+++ b/arch/powerpc/sysdev/tsi108_dev.c
@@ -22,7 +22,6 @@
 #include <linux/of_net.h>
 #include <asm/tsi108.h>
 
-#include <asm/system.h>
 #include <linux/atomic.h>
 #include <asm/io.h>
 #include <asm/irq.h>