fix(pie): do not skip __RW_END__ address during relocation

In fixup_gdt_reloc(), do not skip the last address (__RW_END__) for
dynamic relocations.
Else, the invalidation of the data done under _init_c_runtime in
el3_entrypoint_common macro will not be correct.

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: I1166a59ac964ec8ad4e099cb3600e843afc71d82
diff --git a/lib/aarch32/misc_helpers.S b/lib/aarch32/misc_helpers.S
index 8b16f93..59e15bd 100644
--- a/lib/aarch32/misc_helpers.S
+++ b/lib/aarch32/misc_helpers.S
@@ -301,9 +301,9 @@
 	cmp	r4, r6
 	blo	2f
 
-	/* Skip adding offset if address is >= upper limit */
+	/* Skip adding offset if address is > upper limit */
 	cmp	r4, r7
-	bhs	2f
+	bhi	2f
 
 	add 	r4, r0, r4
 	str	r4, [r3]