Since commit 
b1c1b6a3 ("IB/ipath: merge ipath_core and ib_ipath
drivers"), CONFIG_IPATH_CORE no longer exists, so there's no reason to
have a line for it in drivers/Makefile.
Pointed out by Robert P. J. Day <rpjday@mindspring.com>.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
 obj-$(CONFIG_MMC)              += mmc/
 obj-$(CONFIG_NEW_LEDS)         += leds/
 obj-$(CONFIG_INFINIBAND)       += infiniband/
-obj-$(CONFIG_IPATH_CORE)       += infiniband/
 obj-$(CONFIG_SGI_SN)           += sn/
 obj-y                          += firmware/
 obj-$(CONFIG_CRYPTO)           += crypto/