msm: mpq8064: Check PCIE efuse status before adding PCIE device

If the PCIE feature is disabled in hardware, then the software
should not turn on the associated regulators and clocks. Do not
add PCIE platform device if PCIE efuse status bit is set(disabled).

Change-Id: I1b07129e43888e1e4fd3c20d794e275e713c18ef
Signed-off-by: Niranjana Vishwanathapura <nvishwan@codeaurora.org>