mtd: msm_qpic_nand: Disable Pagescope on sdxprairie

Due to mutiliple instances of BAM timeout from modem and
few memory issues with Pagescope read feature,
temporarly disable pagescope feature on APSS, until all
stability issues are fixed.

Change-Id: I7f82b6b1a1b68042c6db413af9b02f8f9e0531da
Signed-off-by: Pradeep P V K <ppvk@codeaurora.org>