[PATCH] tools: binman: ti_board_cfg: Fix pylint error over 'br'

[Tom Rini]

On Wed, 12 Feb 2025 16:23:33 -0600, Tom Rini wrote:

> With a newer pylint, we get a warning that 'br' could be used before
> assignment. Fix this by declaring br first as an empty bytearray.
> 
> 

Applied to u-boot/next, thanks!

-- 
Tom