i2c: remove dead PMC MSP TWI/SMBus/I2C driver

Commit 1b00767f ("MIPS: Remove PMC MSP71xx platform") removes the
config PMC_MSP in ./arch/mips/Kconfig.

Hence, since then, the corresponding PMC MSP TWI/SMBus/I2C driver is
dead code. Remove this dead driver.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/Kconfig

@@ -866,15 +866,6 @@ config I2C_PCA_PLATFORM
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-pca-platform.
 
-config I2C_PMCMSP
-	tristate "PMC MSP I2C TWI Controller"
-	depends on PMC_MSP || COMPILE_TEST
-	help
-	  This driver supports the PMC TWI controller on MSP devices.
-
-	  This driver can also be built as module. If so, the module
-	  will be called i2c-pmcmsp.
-
 config I2C_PNX
 	tristate "I2C bus support for Philips PNX and NXP LPC targets"
 	depends on ARCH_LPC32XX || COMPILE_TEST

drivers/i2c/busses/Makefile

@@ -86,7 +86,6 @@ obj-$(CONFIG_I2C_OMAP)		+= i2c-omap.o
 obj-$(CONFIG_I2C_OWL)		+= i2c-owl.o
 obj-$(CONFIG_I2C_PASEMI)	+= i2c-pasemi.o
 obj-$(CONFIG_I2C_PCA_PLATFORM)	+= i2c-pca-platform.o
-obj-$(CONFIG_I2C_PMCMSP)	+= i2c-pmcmsp.o
 obj-$(CONFIG_I2C_PNX)		+= i2c-pnx.o
 obj-$(CONFIG_I2C_PXA)		+= i2c-pxa.o
 obj-$(CONFIG_I2C_PXA_PCI)	+= i2c-pxa-pci.o