ARM: OMAP2+: add missing of_node_put before break and return

Fix following coccicheck warning:
WARNING: Function "for_each_matching_node_and_match"
should have of_node_put() before return.

Early exits from for_each_matching_node_and_match should decrement the
node reference counter.

Signed-off-by: Wang Qing <wangqing@vivo.com>
Message-Id: <1639388545-63615-1-git-send-email-wangqing@vivo.com>
[tony@atomide.com: updated for omap_hwmod.c that was already patched]
Signed-off-by: Tony Lindgren <tony@atomide.com>