ARM: dts: ti/omap: dra7: fix redundant clock divider definition

ARM: dts: ti/omap: dra7: fix redundant clock divider definition

Clock specifies ti,dividers as well as ti,max-div. That is in this case
redundant and not allowed by schema. Both specify possible dividers of
1 or 2. Remove redundant definition.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410252030.8B2JoTuq-lkp@intel.com/
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20241025164622.431146-1-andreas@kemnade.info
Signed-off-by: Kevin Hilman <khilman@baylibre.com>