[LIBS] use "depends on" instead of "if endif"

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[EMULATORS] use "depends on" instead of "if endif"

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[DRIVERS] use "depends on" instead of "if endif"

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[CORE] use "depends on" instead of "if endif"

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[ARCH] update all defconfigs to current config menu

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[TOOLS] coverity: update script to avoid errors on "make clean"

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>