class/c++: Change CXX_DEPENDS definition
class/c++: Change CXX_DEPENDS definition

Provide CXX_DEPENDS_HOST and CXX_DEPENDS_TARGET, for easier manipulation
by cross, sdk-cross and canadian-cross recipes.

Signed-off-by: Esben Haabendal <c5ba3f1141bb30a64dd6c7e6726a53a85adc9442@prevas.dk>

diorcety/oe-lite-core,sknsean/core,hundeboll/core,sknsean/core,sknsean/core,sknsean/core,sknsean/core,hundeboll/core,diorcety/oe-lite-core,hundeboll/core,hundeboll/core