Merge pull request #11636 from maciejbocianski/fix_EFM32GG11_STK3701_qspi_block_device_config

EFM32GG11_STK3701: add QSPIF component config

Author: 0xc0170

components/storage/blockdevice/COMPONENT_QSPIF/mbed_lib.json

@@ -42,6 +42,10 @@
         "MCU_PSOC6": {
             "QSPI_FREQ": "50000000",
             "QSPI_MIN_PROG_SIZE": "512"
+        },
+        "EFM32GG11_STK3701": {
+            "QSPI_MIN_READ_SIZE": "4",
+            "QSPI_MIN_PROG_SIZE": "4"
         }
     }
 }