v1.23

Raspberry Pi 3 UEFI Firmware v1.23

• Fix provision of an external Device Tree [tianocore/edk2-platforms@90e7322]
• Add support for Raspberry Pi 2B v1.2 [tianocore/edk2-platforms@a95bebd]
• Fix eMMC support (CM3 improvement) [tianocore/edk2-platforms@5290bbe]
• Remove internal Device Trees — from now on, external .dtb files (which are provided in the firmware archive) should always be supplied [tianocore/edk2-platforms@be2ed5e]
• Fix SPI and UART ACPI devices [tianocore/edk2-platforms@f12e1c0
• Fix PWM ACPI devices [tianocore/edk2-platforms@d45d873]