Merge tag 'bst-arm64-emmc-driver-dts-for-v7.2' of https://github.com/BlackSesame...

arm64: BST C1200 eMMC DTS for v7.2

Black Sesame Technologies:

 Enable eMMC controller on BST C1200 CDCU1.0 board:
    - Add mmc0 node in bstc1200.dtsi (DWCMSHC SDHCI controller)
    - Add fixed clock definition and reserved SRAM bounce buffer
    - Enable mmc0 with 8-bit bus on CDCU1.0 ADAS 4C2G board
The MMC driver was merged via mmc-next in v7.1-rc1.
this is the remaining DTS piece.

Signed-off-by: Gordon Ge <gordon.ge@bst.ai>
* tag 'bst-arm64-emmc-driver-dts-for-v7.2' of https://github.com/BlackSesame-SoC/linux:
  arm64: dts: bst: enable eMMC controller in C1200

Signed-off-by: Arnd Bergmann <arnd@arndb.de>