kernel, stage2: add drivers/power/supply directory to initrd (for SBC)

features.in/kernel/config.mk

@@ -85,6 +85,7 @@ ifeq (,$(filter-out aarch64 armh riscv64,$(ARCH)))
 	@$(call add,VM_INITRDMODULES,drivers/mfd)
 	@$(call add,VM_INITRDMODULES,drivers/spi)
 	@$(call add,VM_INITRDMODULES,drivers/clk)
+	@$(call add,VM_INITRDMODULES,drivers/power/supply)
 	@$(call add,VM_INITRDMODULES,drivers/gpu/drm/bridge)
 	@$(call add,VM_INITRDMODULES,drivers/gpu/drm/rockchip)
 	@$(call add,VM_INITRDMODULES,drivers/gpu/drm/sun4i)

features.in/stage2/stage1/modules.d/50-stage2-sbc-aarch64

@@ -3,6 +3,7 @@ kernel/drivers/dma
 kernel/drivers/i2c
 kernel/drivers/mmc/host
 kernel/drivers/phy
+kernel/drivers/power/supply
 kernel/drivers/regulator
 kernel/drivers/soc
 kernel/drivers/usb/dwc2