staging: r8188eu: offset is always 0 in rtl8188e_ReadEFuse

The offset parameter of rtl8188e_ReadEFuse is always 0. Remove the
parameter and use 0 in the function body.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220709171000.180481-11-martin@kaiser.cx


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>