nrf/board: Migrate all nrf52832 targets to new BLE stack.

This patch moves all the nrf52832 target boards to use the
new SoftDevice s132 v6.1.1 instead of the legacy v6.0.0.

ports/nrf/boards/arduino_primo/mpconfigboard.mk

 MCU_SERIES = m4
 MCU_VARIANT = nrf52
 MCU_SUB_VARIANT = nrf52832
-SOFTDEV_VERSION = 6.0.0
+SOFTDEV_VERSION = 6.1.1
 LD_FILES += boards/nrf52832_512k_64k.ld
 FLASHER = pyocd
 

ports/nrf/boards/dvk_bl652/mpconfigboard.mk

 MCU_SERIES = m4
 MCU_VARIANT = nrf52
 MCU_SUB_VARIANT = nrf52832
-SOFTDEV_VERSION = 6.0.0
+SOFTDEV_VERSION = 6.1.1
 LD_FILES += boards/nrf52832_512k_64k.ld
 
 NRF_DEFINES += -DNRF52832_XXAA

ports/nrf/boards/feather52/mpconfigboard.mk

 MCU_SERIES = m4
 MCU_VARIANT = nrf52
 MCU_SUB_VARIANT = nrf52832
-SOFTDEV_VERSION = 6.0.0
+SOFTDEV_VERSION = 6.1.1
 LD_FILES += boards/nrf52832_512k_64k.ld
 
 NRF_DEFINES += -DNRF52832_XXAA

ports/nrf/boards/pca10040/mpconfigboard.mk

 MCU_SERIES = m4
 MCU_VARIANT = nrf52
 MCU_SUB_VARIANT = nrf52832
-SOFTDEV_VERSION = 6.0.0
+SOFTDEV_VERSION = 6.1.1
 LD_FILES += boards/nrf52832_512k_64k.ld
 
 NRF_DEFINES += -DNRF52832_XXAA