Merge pull request #2448 from shenki/kernel-4.19.1

kernel: Move to Linux v4.19.1-openpower1
diff --git a/buildroot b/buildroot
index 4264b62..d5fc953 160000
--- a/buildroot
+++ b/buildroot
@@ -1 +1 @@
-Subproject commit 4264b628212d4d89cde9a69398a8d74d39f105a0
+Subproject commit d5fc953013076b2f440daf32cea1908490701f78
diff --git a/openpower/package/skiboot/Config.in b/openpower/package/skiboot/Config.in
index 2e2cd16..4276579 100644
--- a/openpower/package/skiboot/Config.in
+++ b/openpower/package/skiboot/Config.in
@@ -31,7 +31,7 @@
 
 config BR2_SKIBOOT_VERSION
 	string
-	default "v6.1-180-g52725306f495" if BR2_SKIBOOT_LATEST_VERSION
+	default "v6.1-188-g606a5a3d44e3" if BR2_SKIBOOT_LATEST_VERSION
 	default BR2_SKIBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_SKIBOOT_CUSTOM_VERSION