hostboot-binaries op920 bump to 6f88463f3c55e538c090068356d93beefed473c3

hostboot (1):
      UPDATE executables for the NVIDIA gpu and/or ring files for
hw050318a.op920

Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/openpower/package/hostboot-binaries/Config.in b/openpower/package/hostboot-binaries/Config.in
index a7ecae4..8a089ef 100644
--- a/openpower/package/hostboot-binaries/Config.in
+++ b/openpower/package/hostboot-binaries/Config.in
@@ -28,7 +28,7 @@
 config BR2_HOSTBOOT_BINARIES_VERSION
 	string
 	default "81d8233a6dc8b79451c326c9dae6581e310f6cd2" if BR2_HOSTBOOT_BINARIES_LATEST_VERSION
-	default "97632227e6f11e01319bbe8dfa95d528c4d48e1b" if BR2_HOSTBOOT_BINARIES_OP920_VERSION
+	default "6f88463f3c55e538c090068356d93beefed473c3" if BR2_HOSTBOOT_BINARIES_OP920_VERSION
 	default BR2_HOSTBOOT_BINARIES_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_BINARIES_CUSTOM_VERSION