gen_tee_bin: include .nex_data section

.nex_data section were missing in the resulting binary, which lead to
broken OP-TEE image that was unable to boot.

Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
[jf: fix spelling mistake in subject]
Signed-off-by: Jerome Forissier <jerome@forissier.org>
diff --git a/scripts/gen_tee_bin.py b/scripts/gen_tee_bin.py
index 34629b9..90688a3 100755
--- a/scripts/gen_tee_bin.py
+++ b/scripts/gen_tee_bin.py
@@ -144,7 +144,7 @@
     if tee_pager_bin is None:
         pad_to = get_symbol(elffile, '__data_end')['st_value']
         dump_names = re.compile(
-            r'^\.(text|rodata|got|data|ARM\.exidx|ARM\.extab)$')
+            r'^\.(text|nex_data|rodata|got|data|ARM\.exidx|ARM\.extab)$')
         tee_pager_bin = get_sections(elffile, pad_to, dump_names)
 
     return tee_pager_bin