coresight: rename directory and files from cs to coresight

Since cs is not a well known acronym for CoreSight, rename
directory and files from cs to coresight.

Change-Id: I5f9b12794b80b1c01c9ce0621d53ee6be408a361
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices-8064.c b/arch/arm/mach-msm/devices-8064.c
index 4998fc6..472a87e 100644
--- a/arch/arm/mach-msm/devices-8064.c
+++ b/arch/arm/mach-msm/devices-8064.c
@@ -17,7 +17,7 @@
 #include <linux/msm_rotator.h>
 #include <linux/clkdev.h>
 #include <linux/dma-mapping.h>
-#include <linux/cs.h>
+#include <linux/coresight.h>
 #include <mach/irqs-8064.h>
 #include <mach/board.h>
 #include <mach/msm_iomap.h>