x86: fix uml with generic find_next_bit for x86

[Alexander van Heukelum]

x86: fix uml with generic find_next_bit for x86

This fixes uml breakage I introduced in "change x86 to use
generic find_next_bit", which is now in x86-testing.

Signed-off-by: Alexander van Heukelum <heukelum@xxxxxxxxxxx>

---

Hello Ingo,

My patch "change x86 to use generic find_next_bit" broke
uml builds. Here is what should be added to that patch
to get it to work for uml too.

Greetings,
	Alexander

 arch/um/Kconfig.i386   |    4 ++++
 arch/um/Kconfig.x86_64 |    4 ++++
 2 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index 3cd8a04..164d29c 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -43,6 +43,10 @@ config ARCH_REUSE_HOST_VSYSCALL_AREA
 	bool
 	default y
 
+config GENERIC_FIND_NEXT_BIT
+	bool
+	default y
+
 config GENERIC_HWEIGHT
 	bool
 	default y
diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64
index 6533b34..a29f545 100644
--- a/arch/um/Kconfig.x86_64
+++ b/arch/um/Kconfig.x86_64
@@ -31,6 +31,10 @@ config SMP_BROKEN
 	bool
 	default y
 
+config GENERIC_FIND_NEXT_BIT
+	bool
+	default y
+
 config GENERIC_HWEIGHT
 	bool
 	default y

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