M60 keymap update and misc changes

* Updated M60 keymap
* Make nrfjproj as default runner
* Remove the polling config

app/boards/arm/nrf52840_m2/board.cmake

@@ -5,5 +5,5 @@
 
 board_runner_args(nrfjprog "--nrf-family=NRF52" "--softreset")
 
-include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake)
 include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake)

app/boards/shields/m60/Kconfig.defconfig

@@ -8,7 +8,4 @@ if SHIELD_M60
 config ZMK_KEYBOARD_NAME
 	default "m60"
 
-config ZMK_KSCAN_MATRIX_POLLING
-	default y
-
 endif

app/boards/shields/m60/m60.keymap

@@ -15,7 +15,7 @@
 		default_layer {
 // ------------------------------------------------------------------------------------------
 // | ESC |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  |   BKSP   |
-// | TAB  |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  [  |  ]  |   "|"   |
+// | TAB  |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  [  |  ]  |    \    |
 // | CAPS  |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  ;  |  '  |     ENTER    |
 // |  SHIFT  |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  ,  |  .  |  /  |      SHIFT       |
 // |  CTL  |  WIN  |  ALT  |            SPACE               | ALT | MO(1) |  WIN  | CTRL    |
@@ -28,5 +28,15 @@
 	&kp LCTL &kp   LGUI   &kp   LALT                     &kp SPC                         &kp  RALT  &mo  1  &kp  RGUI  &kp  RCTL
 			>;
 		};
+
+		fn_layer {
+			bindings = <
+&kp GRAV   &kp F1     &kp F2     &kp F3     &kp F4     &kp F5     &kp F6     &kp F7     &kp F8     &kp F9     &kp F10    &kp F11    &kp F12    &bootloader
+&trans         &bt BT_CLR &none      &none      &none      &none      &none      &none      &none      &none      &none      &none      &none      &reset
+&trans           &bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &bt BT_SEL 4 &kp LARW   &kp DARW   &kp UARW   &kp RARW   &none      &none      &trans
+&trans                &none      &none      &none      &none      &none      &none      &none      &none      &none      &none      &trans
+&trans       &trans       &trans       &trans                                                                     &trans     &trans     &trans     &trans
+			>;
+		};
 	};
 };