misc : security : change security firmare node name

keep 'csrsec' for hdcp driver node name; and 'sirfsec'
for security firmware.

Change-Id: Ief9ac23889a0fefdf4b275e044cb144ee7ae8757
Signed-off-by: Yongkang Liu <yl05@csr.com>
diff --git a/drivers/misc/sirf_security.c b/drivers/misc/sirf_security.c
index 929afe0..7d7a91d 100644
--- a/drivers/misc/sirf_security.c
+++ b/drivers/misc/sirf_security.c
@@ -178,7 +178,7 @@
 
 static struct sirf_security sirf_sec = {
 	.miscdev.minor	=	SIRF_SECURITY_DEV,
-	.miscdev.name	=	"csrsec",
+	.miscdev.name	=	"sirfsec",
 	.miscdev.fops	=	&sirfsec_fops,
 };