board: v2m_musca: drop CONFIG_PINMUX=y

Drop CONFIG_PINMUX=y from v2m_musca_b1 and v2m_musca_s1. There's no
PINMUX driver for these and the board specific pinmux.c is always
enabled, so this should have no effect.

Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
6 files changed