Remove unnecessary hex generation for stratix10
Remove unnecessary hex generation for stratix10

hex creation for stratix10 spl is being added to the uboot build.
we know just need to set SPL_BINARY appropriately.

Signed-off-by: Dalon Westergreen <3a5da43dc352502ecba2b98228f96a2dd9fbb1ca@gmail.com>

dwesterg/meta-altera,kraj/meta-altera,kraj/meta-altera,dwesterg/meta-altera,kraj/meta-altera