ARM: dts: mmp3: Fix the CCIC interrupts

A copy & paste oversight from MMP2; camera interrupts are handled
via a multiplexer on MMP3.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20210121034130.1381872-13-lkundrak@v3.sk

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Signed-off-by: Arnd Bergmann <arnd@arndb.de>