tegra: Whistler board support

Whistler is a highly configurable Tegra evaluation and development board.
This change adds support for the following specific configuration:

E1120 motherboard
E1108 CPU board
E1116 PMU board

The motherboard configuration switches are set as follows:
SW1=0 SW2=0 SW3=5
S1/S2/S3/S4 all on, except S3 7/8 are off.

Other combinations of daugher boards may work to varying degrees, but will
likely require some SW adjustment.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index e55893b..0db7e84 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -914,6 +914,7 @@
 
 	ventana		Tegra2 (ARM7 & A9 Dual Core)
 	paz00		Tegra2 (ARM7 & A9 Dual Core)
+	whistler	Tegra2 (ARM7 & A9 Dual Core)
 
 Thomas Weber <weber@corscience.de>