Merge tag 'arm-soc/for-5.12/soc' of https://github.com/Broadcom/stblinux into arm/soc

This pull request contains Broadcom ARM-based SoCs Kconfig/machine entry
changes for 5.12, please pull the following:

- Maxime adds a select of the Broadcom STB standard L2 interrupt
  controller driver which is used in the Raspberry Pi 4 HDMI controller to
  support I2C and CEC interrupts

- Florian adds a debug URT entry for the 72116 STB SoC

* tag 'arm-soc/for-5.12/soc' of https://github.com/Broadcom/stblinux:
  ARM: bcm: Select BRCMSTB_L2_IRQ for bcm2835
  ARM: brcmstb: Add debug UART entry for 72116

Link: https://lore.kernel.org/r/20210131221721.685974-6-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>