CMSIS-DSP: Added new matrix functions and MVE version

arm_mat_mult_q7.c
arm_mat_trans_q7.c
arm_mat_vec_mult_f32.c
arm_mat_vec_mult_q15.c
arm_mat_vec_mult_q31.c
arm_mat_vec_mult_q7.c
diff --git a/CMSIS/DSP/Testing/runAllTests.py b/CMSIS/DSP/Testing/runAllTests.py
index 12d1e3e..ca21cbb 100755
--- a/CMSIS/DSP/Testing/runAllTests.py
+++ b/CMSIS/DSP/Testing/runAllTests.py
@@ -130,12 +130,16 @@
 parser.add_argument('-sqlite', nargs='?',default="/usr/bin/sqlite3",type = str,help="Regression database")
 
 parser.add_argument('-debug', action='store_true', help="Debug mode")
+parser.add_argument('-keep', action='store_true', help="Keep build folder")
 
 args = parser.parse_args()
 
 if args.debug:
    setDebugMode()
 
+if args.keep:
+   setKeepBuildFolder()
+
 # Create missing database files
 # if the db arguments are specified
 if args.db is not None: