EFM32GG11_STK3701: add QSPIF component config

Author: maciejbocianski

components/storage/blockdevice/COMPONENT_QSPIF/mbed_lib.json

@@ -58,6 +58,10 @@
         "CYW943012P6EVB_01": {
             "QSPI_FREQ": "50000000",
             "QSPI_MIN_PROG_SIZE": "512"
+        },
+        "EFM32GG11_STK3701": {
+            "QSPI_MIN_READ_SIZE": "4",
+            "QSPI_MIN_PROG_SIZE": "4"
         }
     }
 }