Add support for KMC KZM-ARM11-01 board

This patch adds support for KMC KZM-ARM11-01 board. This board is configured with CFG_HZ=1000, so

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This patch adds support for KMC KZM-ARM11-01 board.
This board is configured with CFG_HZ=1000, so it needs the following patch.

i.MX31: switch to CFG_HZ=1000.

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Sorry, I've sent a incomplete comment,
the above is a correct comment.

Regards,
Atsuo

Please rebase all new board agoinst to u-boot-arm next branch

Best Regards,
J.