mpt2sas: Use mpi headers from mpt3sas

Use a single set of the hardware description headers instead of having
them in the source tree twice.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Sreekanth Reddy <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

Author: Christoph Hellwig

drivers/scsi/mpt2sas/Makefile

@@ -1,4 +1,8 @@
 # mpt2sas makefile
+
+# share the official mpi headers from the mpt3sas driver
+ccflags-y += -I$(src)/../mpt3sas
+
 obj-$(CONFIG_SCSI_MPT2SAS) += mpt2sas.o
 mpt2sas-y +=  mpt2sas_base.o        \
 		mpt2sas_config.o    \