am33xx-bone-common: Cleanup pinmux DT entries

Clean up am3xx pinmux entries; cleanup by Koen Koei.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
bone-cape-lcd3: Add LCD3 revision A2 definition.

Adds cape definition for the LCD3's A2 revision. Patch by Koen Koei.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
bone-cape-dvi: Correct definitions for A2 revision

The A2 revision was not using the correct cape definitions. Fix.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>