[U-Boot] [PATCH 1/2] tools/imx8m_image.sh: remove bashism

[Christopher Spencer]

On Wed, 2 Jan 2019 at 07:00, Baruch Siach <baruch at tkos.co.il> wrote:
> Use a single '=' to test string equality for compatibility with non-bash
> shells. Otherwise, if /bin/sh is dash, build fails:
> 
> ./tools/imx8m_image.sh: 15: [: signed_hdmi_imx8m.bin: unexpected operator
> ./tools/imx8m_image.sh: 15: [: signed_hdmi_imx8m.bin: unexpected operator
> ./tools/imx8m_image.sh: 15: [: spl/u-boot-spl-ddr.bin: unexpected operator
> ./tools/imx8m_image.sh: 15: [: spl/u-boot-spl-ddr.bin: unexpected operator
> WARNING './spl/u-boot-spl-ddr.bin' not found, resulting binary is not-functional
> 
> Signed-off-by: Baruch Siach <baruch at tkos.co.il>

Tested-by: Chris Spencer <christopher.spencer at sea.co.uk>

Thanks,
Chris

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