x230: update latest Lenovo BIOS version

x230/x230_before_first_install.sh

@@ -57,7 +57,7 @@ BIOS_VERSION=$(dmidecode -s bios-version | grep -o '[1-2].[0-7][0-9]')
 bios_major=$(echo "$BIOS_VERSION" | cut -d. -f1)
 bios_minor=$(echo "$BIOS_VERSION" | cut -d. -f2)
 
-if [ "${bios_minor}" -eq "73" ] ; then
+if [ "${bios_minor}" -eq "74" ] ; then
 	echo -e "${GREEN}latest BIOS version${NC} installed. Nothing to do."
 elif [ "${bios_minor}" -ge "60" ] ; then
 	echo "installed BIOS version is ${bios_major}.${bios_minor}."