integrate updated sdc_controller as submodule

Author: marqs

.gitmodules

@@ -1,6 +1,3 @@
-[submodule "ip/sdc_controller/SD-card-controller"]
-	path = ip/sdc_controller/SD-card-controller
-	url = https://github.com/mczerski/SD-card-controller.git
 [submodule "software/sys_controller/ic_drivers"]
 	path = software/sys_controller/ic_drivers
 	url = https://github.com/marqs85/ic_drivers.git
@@ -13,3 +10,6 @@
 [submodule "ip/core_usb_qsys"]
 	path = ip/core_usb_qsys
 	url = git@github.com:marqs85/core_usb_qsys.git
+[submodule "ip/sdc_controller_qsys"]
+	path = ip/sdc_controller_qsys
+	url = git@github.com:marqs85/sdc_controller_qsys.git