Inclusion of aes-perf benchmark tool into xtest

1. The way of invoking aes-perf tool is just the same as sha-perf
$ xtest --aes-perf
2. Fixed issues with one-whitespace-lines and >80character-lines
3. Added two examples of test cases for aes-perf
4. Minor fixes

Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
diff --git a/host/xtest/Makefile b/host/xtest/Makefile
index 98933ae..368d826 100644
--- a/host/xtest/Makefile
+++ b/host/xtest/Makefile
@@ -38,6 +38,7 @@
 	xtest_main.c \
 	xtest_test.c \
 	sha_perf.c \
+	aes_perf.c \
 	adbg/src/adbg_case.c \
 	adbg/src/adbg_enum.c \
 	adbg/src/adbg_expect.c \
@@ -78,6 +79,7 @@
 CFLAGS += -I../../ta/concurrent/include
 CFLAGS += -I../../ta/concurrent_large/include
 CFLAGS += -I../../ta/sha_perf/include
+CFLAGS += -I../../ta/aes_perf/include
 ifdef CFG_GP_PACKAGE_PATH
 CFLAGS += -I../../ta/GP_TTA_Arithmetical
 CFLAGS += -I../../ta/GP_TTA_Crypto