Merge https://source.denx.de/u-boot/custodians/u-boot-marvell

- Turris_omnia/mox: SPI NOR and MTD related changes / fixes (Marek)
- a37xx: pci: Misc fixes / optimizations (Pali)
- Espressobin: Fix setting $fdtfile env & changes in MMC detection
  (Pali)
- MMC: mmc_get_op_cond: Allow quiet detection of eMMC (Pali)