staging: most: core: rename aim variables

This patch replaces the 'aim' substrings of variable names with 'comp'.
It is needed because of the renaming of AIM modules to components.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>