Manages QSPI initialization, configuration and IO handling as boot device

Signed-off-by: Muhammad Hadi Asyrafi Abdul Halim <muhammad.hadi.asyrafi.abdul.halim@intel.com>

drivers: mmc: Fix some issues with MMC stack

MMC stack needs OCR voltage information for the platform to initialize
MMC controller correctly.

Signed-off-by: Tien Hock, Loh <tien.hock.loh@intel.com>

Change map region for device 2 from non-secure to secure

Signed-off-by: Muhammad Hadi Asyrafi Abdul Halim <muhammad.hadi.asyrafi.abdul.halim@intel.com>

A DDR calibration value is missing write mask, causing ECC DDR calibration
to fail. This patch addresses the issue. ECC should also be scrubbed before
MMU initializes, thus the scrubbing is moved to ddr intialization phase.

Signed-off-by: Loh Tien Hock <tien.hock.loh@intel.com>

This adds BL2 support for Intel Stratix 10 SoC FPGA.
Functionality includes:
- Release and setup peripherals from reset
- Calibrate DDR
- ECC DDR Scrubbing
- Load FIP (bl31 and bl33)

Signed-off-by: Loh Tien Hock <tien.hock.loh@intel.com>