refactor(measured-boot): change all occurrences of RSS to RSE

Changes all occurrences of "RSS" and "rss" in the code and build files
to "RSE" and "rse".

Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Change-Id: I8c2fcbdf1de1c75f9969d28bc15e0b3500071404
diff --git a/drivers/measured_boot/rse/rse_measured_boot.mk b/drivers/measured_boot/rse/rse_measured_boot.mk
index 18ee836..1bd971f 100644
--- a/drivers/measured_boot/rse/rse_measured_boot.mk
+++ b/drivers/measured_boot/rse/rse_measured_boot.mk
@@ -6,27 +6,27 @@
 
 # Hash algorithm for measured boot
 # SHA-256 (or stronger) is required.
-MBOOT_RSS_HASH_ALG		:=	sha256
+MBOOT_RSE_HASH_ALG		:=	sha256
 
-ifeq (${MBOOT_RSS_HASH_ALG}, sha512)
+ifeq (${MBOOT_RSE_HASH_ALG}, sha512)
     MBOOT_ALG_ID		:=	MBOOT_ALG_SHA512
     MBOOT_DIGEST_SIZE		:=	64U
-else ifeq (${MBOOT_RSS_HASH_ALG}, sha384)
+else ifeq (${MBOOT_RSE_HASH_ALG}, sha384)
     MBOOT_ALG_ID		:=	MBOOT_ALG_SHA384
     MBOOT_DIGEST_SIZE		:=	48U
 else
     MBOOT_ALG_ID		:=	MBOOT_ALG_SHA256
     MBOOT_DIGEST_SIZE		:=	32U
-endif #MBOOT_RSS_HASH_ALG
+endif #MBOOT_RSE_HASH_ALG
 
 # Set definitions for Measured Boot driver.
 $(eval $(call add_defines,\
     $(sort \
         MBOOT_ALG_ID \
         MBOOT_DIGEST_SIZE \
-        MBOOT_RSS_BACKEND \
+        MBOOT_RSE_BACKEND \
 )))
 
-MEASURED_BOOT_SRC_DIR	:= drivers/measured_boot/rss/
+MEASURED_BOOT_SRC_DIR	:= drivers/measured_boot/rse/
 
-MEASURED_BOOT_SOURCES	+= ${MEASURED_BOOT_SRC_DIR}rss_measured_boot.c
+MEASURED_BOOT_SOURCES	+= ${MEASURED_BOOT_SRC_DIR}rse_measured_boot.c