[SCSI] libfc: needs CRC32

libfc uses crc32 functions, so cause it to be built
via select:

drivers/built-in.o: In function `fc_frame_crc_check':
(.text+0x75dae): undefined reference to `crc32_le'
drivers/built-in.o: In function `fc_fcp_recv':
fc_fcp.c:(.text+0x7b919): undefined reference to `crc32_le'
fc_fcp.c:(.text+0x7b9d5): undefined reference to `crc32_le'
fc_fcp.c:(.text+0x7ba54): undefined reference to `crc32_le'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/Kconfig

@@ -608,6 +608,7 @@ config SCSI_FLASHPOINT
 config LIBFC
 	tristate "LibFC module"
 	select SCSI_FC_ATTRS
+	select CRC32
 	---help---
 	  Fibre Channel library module