Revert "latona: defconfig: reduce CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK"

With the current pixel clock we can use an higher clock multiplier
and yet be far away from the 173MHz limit.

This reverts commit 89b633983ee4da4339534a01d1a8f14fda5a3359
input: atmel_mxt_ts: remove extra msleep()

It should have been removed with be0ed35 ("input: atmel_mxt_ts:
use deep sleep mode when stopped").