openeuler: net: ngbe add build support

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I61PSD
CVE: NA

add build support for ngbe module
Signed-off-by: NDuanqiang Wen <duanqiangwen@net-swift.com>

drivers/net/ethernet/netswift/Makefile

@@ -4,3 +4,4 @@
 #
 
 obj-$(CONFIG_TXGBE) += txgbe/
+obj-$(CONFIG_NGBE) += ngbe/