Add support for Eukrea CPUAT91 SBC

CPUAT91 is built around Atmel's AT91RM9200 and has up to 16MB of NOR
flash, up to 128MB of SDRAM, and includes a Micrel KS8721 PHY in RMII
mode.

Signed-off-by: Eric Benard <eric@eukrea.com>
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
diff --git a/board/eukrea/cpuat91/config.mk b/board/eukrea/cpuat91/config.mk
new file mode 100644
index 0000000..ef8dda0
--- /dev/null
+++ b/board/eukrea/cpuat91/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x21F00000