octeontx: kernel: add USB storage boot support

Enable BLK_DEV_SD and USB_STORAGE so that rootfs can be on a USB Mass
Storage device.

This increases the kernel Image by 66KiB

Signed-off-by: Tim Harvey <[email protected]>

target/linux/octeontx/config-5.15

@@ -59,6 +59,7 @@ CONFIG_BLK_DEV_BSG=y
 CONFIG_BLK_DEV_BSGLIB=y
 CONFIG_BLK_DEV_BSG_COMMON=y
 CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_SD=y
 CONFIG_BLK_MQ_PCI=y
 CONFIG_BLK_MQ_VIRTIO=y
 CONFIG_BLK_PM=y
@@ -401,6 +402,7 @@ CONFIG_UNMAP_KERNEL_AT_EL0=y
 CONFIG_USB=y
 CONFIG_USB_COMMON=y
 CONFIG_USB_PCI=y
+CONFIG_USB_STORAGE=y
 CONFIG_USB_SUPPORT=y
 # CONFIG_USB_UHCI_HCD is not set
 CONFIG_USB_XHCI_HCD=y