arm: msm: move board-dream.c to board-trout.c

Move the naming of this board file back to the original Google naming.

Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 0cb523f..86bad4f 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -7,4 +7,4 @@
 
 obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o
 
-obj-$(CONFIG_MACH_TROUT) += board-dream.o
+obj-$(CONFIG_MACH_TROUT) += board-trout.o