configs/nezha_defconfig: use OpenSBI 1.4

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

configs/nezha_defconfig

@@ -16,7 +16,7 @@ BR2_TARGET_ROOTFS_EXT2_4=y
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_TARGET_OPENSBI=y
 BR2_TARGET_OPENSBI_CUSTOM_VERSION=y
-BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE="1.2"
+BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE="1.4"
 BR2_TARGET_OPENSBI_PLAT="generic"
 # BR2_TARGET_OPENSBI_INSTALL_JUMP_IMG is not set
 BR2_TARGET_UBOOT=y