scripts: rename envsetup.sh to shell_functions.sh [1/1]

PD#SWPL-90928

Problem:
rename envsetup.sh to shell_functions.sh.

Solution:
rename envsetup.sh to shell_functions.sh.

Verify:
N/A

Change-Id: I58091bd4202bdfb5483a0d9bfd44d0ac260a1624
Signed-off-by: xiaohu.huang <xiaohu.huang@amlogic.com>
1 file changed