treewide: remove duplicate includes

Many stupid corrections of duplicated includes based on the output of
scripts/checkincludes.pl.

Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index ab59300..70f018d 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -66,15 +66,14 @@
 #include <asm/byteorder.h>
 #include <asm/uaccess.h>
 #include <asm/irq.h>
+#include <asm/prom.h>
 
 #ifdef CONFIG_SPARC
 #include <asm/idprom.h>
-#include <asm/prom.h>
 #endif
 
 #ifdef CONFIG_PPC_PMAC
 #include <asm/pci-bridge.h>
-#include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/pmac_feature.h>
 #endif