linux-imx

mxc-jpeg: Build mxc-jpeg as module, by default

For now, only mxc-jpeg is present in imx8 folder,
modify the corresponding Kconfig entry for it.

Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
(cherry picked from commit 1ef7d078d7bef7f24d9f4adeea603ec11afb1881)