Use RC1 (v1.0) release of Explorer Firmware

See https://github.com/open-power/ocmb-explorer-fw/releases/tag/v1.0

Signed-off-by: Dan Crowell <dcrowell@us.ibm.com>
diff --git a/openpower/package/ocmb-explorer-fw/Config.in b/openpower/package/ocmb-explorer-fw/Config.in
index 92d61ea..2419f30 100644
--- a/openpower/package/ocmb-explorer-fw/Config.in
+++ b/openpower/package/ocmb-explorer-fw/Config.in
@@ -24,7 +24,7 @@
 
 config BR2_OCMB_EXPLORER_FW_VERSION
 	string
-	default "v0.b" if BR2_OCMB_EXPLORER_FW_LATEST_VERSION
+	default "v1.0" if BR2_OCMB_EXPLORER_FW_LATEST_VERSION
 	default BR2_OCMB_EXPLORER_FW_CUSTOM_VERSION_VALUE \
 		if BR2_OCMB_EXPLORER_FW_CUSTOM_VERSION