MIPS: TXx9: Add RBTX4939 board support

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

 create mode 100644 arch/mips/txx9/rbtx4939/Makefile
 create mode 100644 arch/mips/txx9/rbtx4939/irq.c
 create mode 100644 arch/mips/txx9/rbtx4939/prom.c
 create mode 100644 arch/mips/txx9/rbtx4939/setup.c
 create mode 100644 include/asm-mips/txx9/rbtx4939.h
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 58691a1..17052db 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -45,6 +45,14 @@
 	  This Toshiba board is based on the TX4938 processor. Say Y here to
 	  support this machine type
 
+config TOSHIBA_RBTX4939
+	bool "Toshiba RBTX4939 bobard"
+	depends on MACH_TX49XX
+	select SOC_TX4939
+	help
+	  This Toshiba board is based on the TX4939 processor. Say Y here to
+	  support this machine type
+
 config SOC_TX3927
 	bool
 	select CEVT_TXX9