[devices/accton]: Add a separator for dh_installdirs not to take the wrong platform name. (#2810)

Signed-off-by: roy_lee <[email protected]>

Author: roylee123

platform/broadcom/sonic-platform-modules-accton/debian/rules

@@ -59,9 +59,9 @@ binary-indep:
 
 	# Custom package commands
 	(for mod in $(MODULE_DIRS); do \
-		dh_installdirs -p$(PACKAGE_PRE_NAME)-$${mod}/$(KERNEL_SRC)/$(INSTALL_MOD_DIR); \
-		dh_installdirs -p$(PACKAGE_PRE_NAME)-$${mod}/usr/local/bin; \
-		dh_installdirs -p$(PACKAGE_PRE_NAME)-$${mod}/lib/systemd/system; \
+		dh_installdirs -p$(PACKAGE_PRE_NAME)-$${mod} $(KERNEL_SRC)/$(INSTALL_MOD_DIR); \
+		dh_installdirs -p$(PACKAGE_PRE_NAME)-$${mod} usr/local/bin; \
+		dh_installdirs -p$(PACKAGE_PRE_NAME)-$${mod} lib/systemd/system; \
 		cp $(MOD_SRC_DIR)/$${mod}/$(MODULE_DIR)/*.ko debian/$(PACKAGE_PRE_NAME)-$${mod}/$(KERNEL_SRC)/$(INSTALL_MOD_DIR); \
 		cp $(MOD_SRC_DIR)/$${mod}/$(UTILS_DIR)/* debian/$(PACKAGE_PRE_NAME)-$${mod}/usr/local/bin/; \
 		cp $(MOD_SRC_DIR)/$${mod}/$(SERVICE_DIR)/*.service debian/$(PACKAGE_PRE_NAME)-$${mod}/lib/systemd/system/; \