Add VIA support to Prime_M. Clean up all files (#8247)

* Add VIA support for Prime_L

* Update keyboards/primekb/prime_l/v1/config.h

* Add prime_exl_plus keyboard

* Temporary removal of prime_exl_plus

* Add Prime_EXL Plus, including VIA support

* Update keyboards/handwired/prime_exl_plus/readme.md

* Update keyboards/handwired/prime_exl_plus/readme.md

* Update keyboards/handwired/prime_exl_plus/readme.md

* Update keyboards/handwired/prime_exl_plus/rules.mk

* Update keyboards/handwired/prime_exl_plus/info.json

* Update keyboards/handwired/prime_exl_plus/info.json

* Update keyboards/handwired/prime_exl_plus/info.json

* Update keymap.c

* correct spacing of keymaps and layout macro. move indicator logic from user space to keyboard space

* further corrections to keymaps and layout macro.

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update prime_exl_plus.c

* small edit to prime_exl_plus.c

* Add via support to Prime_M and clean things up

* Update rules.mk

* Update keyboards/primekb/prime_m/readme.md

* Update keyboards/primekb/prime_m/readme.md

* Update keyboards/primekb/prime_m/config.h

keyboards/primekb/prime_m/config.h

@@ -1,5 +1,6 @@
 /*
 Copyright 2018 Jumail Mundekkat
+Copyright 2020 Holten Campbell
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -20,8 +21,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "config_common.h"
 
 /* USB Device descriptor parameter */
-#define VENDOR_ID       0xFEED
-#define PRODUCT_ID      0x4024
+#define VENDOR_ID       0x5052 // "PR"
+#define PRODUCT_ID      0x504D // "PM"
 #define DEVICE_VER      0x0001
 #define MANUFACTURER    PrimeKB
 #define PRODUCT         Prime_M