package/go: fix convenience typo

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 5aa9b105b96dda4d0db6fc11f4c8abe09a63ed33)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/go/go.mk

@@ -72,7 +72,7 @@ else ifeq ($(BR2_s390x),y)
 GO_GOARCH = s390x
 endif
 
-# For the convienience of target packages.
+# For the convenience of target packages.
 HOST_GO_TOOLDIR = $(HOST_GO_ROOT)/pkg/tool/linux_$(GO_GOARCH)
 HOST_GO_TARGET_ENV = \
 	$(HOST_GO_COMMON_ENV) \