require CONFIG_RETPOLINE on x86

Bug: 112861935
Change-Id: I943330889bd578aab2792e37a9a6c9b964b1120e
Signed-off-by: Steve Muckle <smuckle@google.com>
diff --git a/android-4.14/android-base-x86.config b/android-4.14/android-base-x86.config
index 6881a77..b48983a 100644
--- a/android-4.14/android-base-x86.config
+++ b/android-4.14/android-base-x86.config
@@ -1 +1,2 @@
 CONFIG_PAGE_TABLE_ISOLATION=y
+CONFIG_RETPOLINE=y
diff --git a/android-4.4/android-base-x86.config b/android-4.4/android-base-x86.config
index 6881a77..b48983a 100644
--- a/android-4.4/android-base-x86.config
+++ b/android-4.4/android-base-x86.config
@@ -1 +1,2 @@
 CONFIG_PAGE_TABLE_ISOLATION=y
+CONFIG_RETPOLINE=y
diff --git a/android-4.9/android-base-x86.config b/android-4.9/android-base-x86.config
index 6881a77..b48983a 100644
--- a/android-4.9/android-base-x86.config
+++ b/android-4.9/android-base-x86.config
@@ -1 +1,2 @@
 CONFIG_PAGE_TABLE_ISOLATION=y
+CONFIG_RETPOLINE=y