sh: mach-sdk7786: Add support for the FPGA SRAM.

This ties in the 2KiB of FPGA SRAM in to the generic SRAM pool.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index bb2cb27..9c94711 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -156,6 +156,7 @@
 	select SYS_SUPPORTS_PCI
 	select NO_IOPORT if !PCI
 	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select HAVE_SRAM_POOL
 	help
 	  Select SDK7786 if configuring for a Renesas Technology Europe
 	  SH7786-65nm board.