[PATCH] um: fix undefined reference to hweight32

Build fix for user mode linux.
Signed-off-by: NAkinobu Mita <mita@miraclelinux.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/um/Kconfig.i386

@@ -52,3 +52,8 @@ config ARCH_HAS_SC_SIGNALS
 config ARCH_REUSE_HOST_VSYSCALL_AREA
 	bool
 	default y
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+

arch/um/Kconfig.x86_64

@@ -46,3 +46,8 @@ config ARCH_REUSE_HOST_VSYSCALL_AREA
 config SMP_BROKEN
 	bool
 	default y
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+