Add support for specifying BOARD in info.json (#11492)

* add support for specifying BOARD in info.json

* move BOARD from rules.mk to info.json for clueboard

* fix keyboards that do not require board

* remove out of compliance values

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/python/qmk/cli/generate/rules_mk.py b/lib/python/qmk/cli/generate/rules_mk.py
index 0fdccb404..b262e3c66 100755
--- a/lib/python/qmk/cli/generate/rules_mk.py
+++ b/lib/python/qmk/cli/generate/rules_mk.py
@@ -7,6 +7,7 @@ from qmk.info import info_json
 from qmk.path import is_keyboard, normpath
 
 info_to_rules = {
+    'board': 'BOARD',
     'bootloader': 'BOOTLOADER',
     'processor': 'MCU',
 }
@@ -37,7 +38,8 @@ def generate_rules_mk(cli):
 
     # Bring in settings
     for info_key, rule_key in info_to_rules.items():
-        rules_mk_lines.append(f'{rule_key} ?= {kb_info_json[info_key]}')
+        if info_key in kb_info_json:
+            rules_mk_lines.append(f'{rule_key} ?= {kb_info_json[info_key]}')
 
     # Find features that should be enabled
     if 'features' in kb_info_json: