We like to put the SPL first so it is clear that it relates to SPL. Rename
various malloc-related options which have crept in, to stick to this
convention.

Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Marcel Ziswiler <[email protected]>
Reviewed-by: Martyn Welch <[email protected]>
Reviewed-by: Svyatoslav Ryhel <[email protected]>