fp5280g2: leds: Add JSON configuration file having Group definition

This commit adds the JSON configuration file having LED Group definitions
and also enables using JSON at runtime than using the compile time
generated group definition from YAML.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I6fab8350ae31a032d38136bdd1a21bf8f7304947
1 file changed