Add linux-npu-driver

.gitmodules

@@ -9306,6 +9306,10 @@
 	path = linux-ftools
 	url = ../../pool/linux-ftools
 	branch = leap-16.1
+[submodule "linux-npu-driver"]
+	path = linux-npu-driver
+	url = ../../pool/linux-npu-driver
+	branch = leap-16.1
 [submodule "linux_logo"]
 	path = linux_logo
 	url = ../../pool/linux_logo
@@ -10786,10 +10790,6 @@
 	path = mustang-plug
 	url = ../../pool/mustang-plug
 	branch = leap-16.1
-[submodule "mvapich4"]
-	path = mvapich4
-	url = ../../pool/mvapich4
-	branch = leap-16.1
 [submodule "mwic"]
 	path = mwic
 	url = ../../pool/mwic