[PATCH v4 RESEND 1/5] devicetree: bindings: document Broadcom CPU enable method

Broadcom mobile SoCs use a ROM-implemented holding pen for controlled boot of secondary cores. A special register is used to communicate to the ROM that a secondary core should start executing kernel code. This enable method is currently used for members of the bcm281xx and bcm21664 SoC

[PATCH v4 RESEND 1/5] devicetree: bindings: document Broadcom CPU enable method

Broadcom mobile SoCs use a ROM-implemented holding pen for controlled boot of secondary cores. A special register is used to communicate to the ROM that a secondary core should start executing kernel code. This enable method is currently used for members of the bcm281xx and bcm21664 SoC