skiboot-5.3.0-rc2 for firenze, garrison and p9 mambo

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
diff --git a/openpower/configs/firenze_defconfig b/openpower/configs/firenze_defconfig
index e884d55..4bde03e 100644
--- a/openpower/configs/firenze_defconfig
+++ b/openpower/configs/firenze_defconfig
@@ -26,7 +26,7 @@
 BR2_PACKAGE_SKIBOOT=y
 BR2_PACKAGE_SKIBOOT_EMBED_PAYLOAD=n
 BR2_SKIBOOT_CUSTOM_VERSION=y
-BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.3.0-rc1"
+BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.3.0-rc2"
 
 # petitboot requirements
 BR2_ENABLE_LOCALE_PURGE=y
diff --git a/openpower/configs/garrison_defconfig b/openpower/configs/garrison_defconfig
index 6bb0868..834896f 100644
--- a/openpower/configs/garrison_defconfig
+++ b/openpower/configs/garrison_defconfig
@@ -33,7 +33,7 @@
 
 # skiboot requirements
 BR2_SKIBOOT_CUSTOM_VERSION=y
-BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.3.0-rc1"
+BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.3.0-rc2"
 
 # petitboot requirements
 BR2_ENABLE_LOCALE_PURGE=y
diff --git a/openpower/configs/openpower_p9_mambo_defconfig b/openpower/configs/openpower_p9_mambo_defconfig
index c5411b4..c4cd981 100644
--- a/openpower/configs/openpower_p9_mambo_defconfig
+++ b/openpower/configs/openpower_p9_mambo_defconfig
@@ -43,4 +43,4 @@
 BR2_PACKAGE_PETITBOOT=y
 # BR2_PACKAGE_OCC is not set
 BR2_SKIBOOT_CUSTOM_VERSION=y
-BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.3.0-rc1"
+BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.3.0-rc2"