powerpc: various straight conversions from module.h --> export.h

All these files were including module.h just for the basic
EXPORT_SYMBOL infrastructure.  We can shift them off to the
export.h header which is a way smaller footprint and thus
realize some compile time gains.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/arch/powerpc/kvm/book3s_exports.c b/arch/powerpc/kvm/book3s_exports.c
index f7f63a0..a150817 100644
--- a/arch/powerpc/kvm/book3s_exports.c
+++ b/arch/powerpc/kvm/book3s_exports.c
@@ -17,7 +17,7 @@
  * Authors: Alexander Graf <agraf@suse.de>
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <asm/kvm_book3s.h>
 
 #ifdef CONFIG_KVM_BOOK3S_64_HV