ARM: dts: pandaboard: fix pinmux for gpio user button of Pandaboard ES

stable inclusion
from stable-5.10.4
commit f02ba166a56d04e1eae3530bdf3f07269816cab8
bugzilla: 46903

--------------------------------

commit df9dbaf2 upstream.

The pinmux control register offset passed to OMAP4_IOPAD is odd.

Fixes: ab9a1366 ("ARM: dts: pandaboard: add gpio user button")
Cc: stable@vger.kernel.org
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: Chen Jun <chenjun102@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>