Move `CONF_NAME_ADD_MAC_SUFFIX to const.py` (#7820)

esphome/const.py

@@ -528,6 +528,7 @@ CONF_MULTIPLE = "multiple"
 CONF_MULTIPLEXER = "multiplexer"
 CONF_MULTIPLY = "multiply"
 CONF_NAME = "name"
+CONF_NAME_ADD_MAC_SUFFIX = "name_add_mac_suffix"
 CONF_NAME_FONT = "name_font"
 CONF_NBITS = "nbits"
 CONF_NEC = "nec"

esphome/core/config.py

@@ -21,6 +21,7 @@ from esphome.const import (
     CONF_LIBRARIES,
     CONF_MIN_VERSION,
     CONF_NAME,
+    CONF_NAME_ADD_MAC_SUFFIX,
     CONF_ON_BOOT,
     CONF_ON_LOOP,
     CONF_ON_SHUTDOWN,
@@ -59,8 +60,6 @@ ProjectUpdateTrigger = cg.esphome_ns.class_(
 
 VERSION_REGEX = re.compile(r"^[0-9]+\.[0-9]+\.[0-9]+(?:[ab]\d+)?$")
 
-CONF_NAME_ADD_MAC_SUFFIX = "name_add_mac_suffix"
-
 
 VALID_INCLUDE_EXTS = {".h", ".hpp", ".tcc", ".ino", ".cpp", ".c"}