Add an implementation of __aeabi_ldivmode() and __aeabi_uldivmod(); clang
generates calls to these functions when compiling an armv7 kernel.

Code from NetBSD's unified userland+kernel implementation

Add an implementation of __aeabi_ldivmode() and __aeabi_uldivmod(); clang
generates calls to these functions when compiling an armv7 kernel.

Code from NetBSD's unified userland+kernel implementation, with lots of
irrelevant (for us) #ifdefs removed.

ok patrick@, guenther@

show more ...