syscalls/profil: disable these tests for uClibc

uClibc doesn't have profiling support. It's necessary to define UCLIBC
environment variable with value 1 to prevent building of this test for
uClibc. This variable may be defined when calling make:

    make UCLIBC=1

Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Acked-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/testcases/kernel/syscalls/Makefile b/testcases/kernel/syscalls/Makefile
index 8acb395..50bed10 100644
--- a/testcases/kernel/syscalls/Makefile
+++ b/testcases/kernel/syscalls/Makefile
@@ -29,4 +29,8 @@
 		   mincore mprotect nftw profil remap_file_pages sbrk
 endif
 
+ifeq ($(UCLIBC),1)
+FILTER_OUT_DIRS	+= profil
+endif
+
 include $(top_srcdir)/include/mk/generic_trunk_target.mk