IB/ipath - make Kconfig depend on CONFIG_NET

Spotted by Randy Dunlap.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>

diff -r 9769053d8f77 drivers/infiniband/hw/ipath/Kconfig
--- a/drivers/infiniband/hw/ipath/Kconfig	Tue Nov 14 10:07:29 2006 -0800
+++ b/drivers/infiniband/hw/ipath/Kconfig	Mon Nov 20 10:51:25 2006 -0800
@@ -1,6 +1,6 @@ config INFINIBAND_IPATH
 config INFINIBAND_IPATH
 	tristate "QLogic InfiniPath Driver"
-	depends on (PCI_MSI || HT_IRQ) && 64BIT && INFINIBAND
+	depends on (PCI_MSI || HT_IRQ) && 64BIT && INFINIBAND && NET
 	---help---
 	This is a driver for QLogic InfiniPath host channel adapters,
 	including InfiniBand verbs support.  This driver allows these
