mira good SPI flash

U-Boot 2021.10-mainline-student-v2021.10 (Oct 18 2021 - 12:57:37 +0300)

CPU:   Freescale i.MX6Q rev1.3 at 792 MHz
Reset cause: WDOG
Model: PHYTEC phyBOARD-Mira Quad Carrier-Board with NAND
DRAM:  1 GiB
NAND:  1024 MiB
MMC:   FSL_SDHC: 0
Loading Environment from SPIFlash... SF: Detected n25q128a13 with page size 256 Bytes, erase size 4 KiB, total 16 MiB
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