examples: add b-l072z-lrwan1 to insufficient mem list

examples/dtls-echo/Makefile

@@ -13,7 +13,8 @@ BOARD_BLACKLIST := arduino-duemilanove arduino-mega2560 arduino-uno chronos \
                    z1 \
                    nrf52dk # see #6022
 
-BOARD_INSUFFICIENT_MEMORY := airfy-beacon calliope-mini cc2650stk maple-mini \
+BOARD_INSUFFICIENT_MEMORY := airfy-beacon b-l072z-lrwan1 \
+                             calliope-mini cc2650stk maple-mini \
                              microbit nrf51dongle nrf6310 nucleo32-f031 \
                              nucleo32-f042 nucleo32-f303 nucleo32-l031 nucleo-f030 \
                              nucleo-f070 nucleo-f072 nucleo-f103 nucleo-f302 nucleo-f334 \

examples/gnrc_border_router/Makefile

@@ -7,7 +7,8 @@ BOARD ?= samr21-xpro
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-BOARD_INSUFFICIENT_MEMORY := airfy-beacon calliope-mini cc2650stk maple-mini \
+BOARD_INSUFFICIENT_MEMORY := airfy-beacon b-l072z-lrwan1 \
+                             calliope-mini cc2650stk maple-mini \
                              microbit msb-430 msb-430h nrf51dongle nrf6310 \
                              nucleo32-f031 nucleo32-f042 nucleo32-f303 nucleo32-l031 \
                              nucleo-f030 nucleo-f070 nucleo-f072 nucleo-f103 nucleo-f302 \

examples/javascript/Makefile

@@ -4,7 +4,8 @@ APPLICATION = riot_javascript
 # default BOARD environment
 BOARD ?= native
 
-BOARD_INSUFFICIENT_MEMORY := airfy-beacon calliope-mini cc2650stk maple-mini \
+BOARD_INSUFFICIENT_MEMORY := airfy-beacon b-l072z-lrwan1 \
+                             calliope-mini cc2650stk maple-mini \
                              microbit nrf51dongle nrf6310 nucleo-f030 nucleo-f070 \
                              nucleo-f072 nucleo-f103 nucleo-f302 nucleo-f334 nucleo-f410 \
                              nucleo-l053 nucleo-l073 nucleo32-f031 nucleo32-f042 \