distro_bootcmd: run pci enum for scsi_boot just like it is done for nvme_boot

The SCSI device can be a PCIe adapter, so run pcie enum if enabled.
Signed-off-by: NMark Kettenis <kettenis@openbsd.org>
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>

include/config_distro_bootcmd.h

@@ -226,6 +226,7 @@
 		"fi\0" \
 	\
 	"scsi_boot=" \
+		BOOTENV_RUN_PCI_ENUM \
 		BOOTENV_RUN_SCSI_INIT \
 		BOOTENV_SHARED_BLKDEV_BODY(scsi)
 #define BOOTENV_DEV_SCSI	BOOTENV_DEV_BLKDEV