Add shebangs for shellcheck

[ashthespy]

Description

Low hanging fruit..
Add bash shebang at the start of all .sh files

Jira reference number AR-1406

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also note any relevant details for your test configuration.

• Test A
• Test B

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[ashthespy]

FWIW there are also some missing in packages
Would you like me to align those as well?

File	Shebang
./packages/blobs/jetson/jetson.sh	#!/bin/sh
./packages/bsp/aml-s9xx-box/root/install-aml-s905-emmc.sh	#!/bin/sh
./packages/bsp/aml-s9xx-box/root/install-aml.sh	#!/bin/sh
./packages/bsp/common/etc/initramfs-tools/hooks/bootsplash.sh	#!/bin/sh
./packages/bsp/common/etc/profile.d/armbian-activate-profile-sync-daemon.sh	#!/bin/sh
./packages/bsp/common/etc/profile.d/armbian-check-first-login-reboot.sh	#!/bin/sh
./packages/bsp/common/etc/profile.d/armbian-check-first-login.sh	#!/bin/sh
./packages/bsp/common/etc/profile.d/armbian-lang.sh
./packages/bsp/common/etc/profile.d/armbian-ssh-title.sh	#!/bin/sh
./packages/bsp/common/usr/lib/armbian/armbian-led-state-restore.sh	#!/bin/bash
./packages/bsp/common/usr/lib/armbian/armbian-led-state-save.sh	#!/bin/bash
./packages/bsp/helios64/helios64-ups.sh	#!/bin/sh
./packages/bsp/jethub/jethub-remove-log-file.sh	#!/bin/bash
./packages/bsp/mvebu/helios4/mdadm-fault-led.sh	#!/bin/sh
./packages/bsp/nanopim4/nanopim4-pwm-fan.sh	#!/bin/bash
./packages/bsp/odroid/c1_init.sh	#!/bin/sh
./packages/bsp/odroid/c2_init.sh	#!/bin/sh
./packages/bsp/rk3328/z28pro/start_bt.sh	#!/bin/bash
./packages/bsp/rockchip/start_bt.sh	#!/bin/bash
./packages/bsp/sunxi/zeroplus2-bt.sh	#!/bin/bash
./packages/extras-buildpkgs/hostapd/debian/ifupdown/hostapd.sh	#!/bin/sh
./packages/extras-buildpkgs/hostapd-realtek/debian/ifupdown/hostapd.sh	#!/bin/sh
./packages/extras-buildpkgs/libvdpau-sunxi/debian/profile.d/99-vdpau.sh

[igorpecovnik]

Would you like me to align those as well?

As its looks like this operation is safe, I would rather just leave that.