package/sg3_utils: add support for building host variant

Initially used by the host build of the utp_com package.

Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/sg3_utils/sg3_utils.mk

@@ -51,3 +51,4 @@ SG3_UTILS_POST_INSTALL_TARGET_HOOKS += SG3_UTILS_REMOVE_PROGS
 endif
 
 $(eval $(autotools-package))
+$(eval $(host-autotools-package))