kirkwood: move usb support to modules

USB support built in kernel isn't required for booting.
This patch move USB support to modules.

CONFIG_USB_STORAGE is removed because it can be found in kmod-usb-storage
and all usb support for this targed is moved to kmods.

Tested-by: Cezary Jackiewicz <cezary@eko.one.pl> [nsa310]
Tested-by: Alberto Bursi <bobafetthotmail@gmail.com> [nsa325, ea4500]
Reviewed-by: Sungbo Eo <mans0n@gorani.run>
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
[keep CONFIG_SCSI]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/generic/config-4.14

@@ -5224,6 +5224,7 @@ CONFIG_USB_DEFAULT_PERSIST=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_EG20T is not set
 # CONFIG_USB_EHCI_ATH79 is not set
+# CONFIG_USB_EHCI_HCD is not set
 # CONFIG_USB_EHCI_HCD_AT91 is not set
 # CONFIG_USB_EHCI_HCD_OMAP is not set
 # CONFIG_USB_EHCI_HCD_PPC_OF is not set

target/linux/generic/config-4.19

@@ -5501,6 +5501,7 @@ CONFIG_USB_DEFAULT_PERSIST=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_EG20T is not set
 # CONFIG_USB_EHCI_ATH79 is not set
+# CONFIG_USB_EHCI_HCD is not set
 # CONFIG_USB_EHCI_HCD_AT91 is not set
 # CONFIG_USB_EHCI_HCD_OMAP is not set
 # CONFIG_USB_EHCI_HCD_PPC_OF is not set

target/linux/generic/config-5.4

@@ -5873,6 +5873,7 @@ CONFIG_USB_DEFAULT_PERSIST=y
 # CONFIG_USB_EG20T is not set
 # CONFIG_USB_EHCI_ATH79 is not set
 # CONFIG_USB_EHCI_FSL is not set
+# CONFIG_USB_EHCI_HCD is not set
 # CONFIG_USB_EHCI_HCD_AT91 is not set
 # CONFIG_USB_EHCI_HCD_OMAP is not set
 # CONFIG_USB_EHCI_HCD_PPC_OF is not set

target/linux/kirkwood/Makefile

@@ -18,6 +18,6 @@ include $(INCLUDE_DIR)/target.mk
 
 KERNELNAME:=zImage dtbs
 
-DEFAULT_PACKAGES += uboot-envtools
+DEFAULT_PACKAGES += uboot-envtools kmod-usb2
 
 $(eval $(call BuildTarget))

target/linux/kirkwood/config-5.4

@@ -342,12 +342,7 @@ CONFIG_UNWINDER_ARM=y
 # CONFIG_UNWINDER_FRAME_POINTER is not set
 CONFIG_USB=y
 CONFIG_USB_COMMON=y
-# CONFIG_USB_EHCI_FSL is not set
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_HCD_ORION=y
-# CONFIG_USB_EHCI_HCD_PLATFORM is not set
 CONFIG_USB_LED_TRIG=y
-CONFIG_USB_STORAGE=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USE_OF=y
 # CONFIG_VFP is not set