ARM: mach-pnx4008: Remove architecture

This patch removes the ARM architecture mach-pnx4008. No direct support or user
feedback since 2006. Acknowledgements from NXP/Philips and Linux arm-soc
maintainers.

Signed-off-by: Roland Stigge <stigge@antcom.de>
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index b4aaa1b..2025adf 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -545,7 +545,7 @@
 
 config I2C_PNX
 	tristate "I2C bus support for Philips PNX and NXP LPC targets"
-	depends on ARCH_PNX4008 || ARCH_LPC32XX
+	depends on ARCH_LPC32XX
 	help
 	  This driver supports the Philips IP3204 I2C IP block master and/or
 	  slave controller