[PATCH] powerpc: vdso: Add missing include file

Some powerpc builds fail with the following buld error.

In file included from ./arch/powerpc/include/asm/mmu_context.h:11:0,
                 from arch/powerpc/kernel/vdso.c:28:
arch/powerpc/include/asm/cputhreads.h: In function 'get_tensr':
arch/powerpc/include/asm/cputhreads.h:101:2: error:
	implicit declaration of function 'cpu_has_feature'

Fixes: b92a226e5284 ("powerpc: Move cpu_has_feature() to a separate file")
Cc: Kevin Hao <redacted>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
My apologies for the noise if already reported/fixed.

 arch/powerpc/kernel/vdso.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 6767605ea8da..4111d30badfa 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c

@@ -22,6 +22,7 @@
 #include <linux/security.h>
 #include <linux/memblock.h>
 
+#include <asm/cpu_has_feature.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>

-- 
2.5.0