PCI/hotplug: remove the sgi_hotplug driver

The SGI SN2 support is about to be removed.  Remove this driver that
depends on the SN2 support.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-6-hch@lst.deSigned-off-by: Tony Luck <tony.luck@intel.com>

drivers/pci/hotplug/Kconfig

@@ -147,15 +147,6 @@ config HOTPLUG_PCI_RPA_DLPAR
 
 	  When in doubt, say N.
 
-config HOTPLUG_PCI_SGI
-	tristate "SGI PCI Hotplug Support"
-	depends on IA64_SGI_SN2 || IA64_GENERIC
-	help
-	  Say Y here if you want to use the SGI Altix Hotplug
-	  Driver for PCI devices.
-
-	  When in doubt, say N.
-
 config HOTPLUG_PCI_S390
 	bool "System z PCI Hotplug Support"
 	depends on S390 && 64BIT

drivers/pci/hotplug/Makefile

@@ -18,7 +18,6 @@ obj-$(CONFIG_HOTPLUG_PCI_SHPC)		+= shpchp.o
 obj-$(CONFIG_HOTPLUG_PCI_POWERNV)	+= pnv-php.o
 obj-$(CONFIG_HOTPLUG_PCI_RPA)		+= rpaphp.o
 obj-$(CONFIG_HOTPLUG_PCI_RPA_DLPAR)	+= rpadlpar_io.o
-obj-$(CONFIG_HOTPLUG_PCI_SGI)		+= sgi_hotplug.o
 obj-$(CONFIG_HOTPLUG_PCI_ACPI)		+= acpiphp.o
 obj-$(CONFIG_HOTPLUG_PCI_S390)		+= s390_pci_hpc.o