drivers: drop .globalmem.o.cmd

Signed-off-by: Barry Song <21cnbao@gmail.com>
drivers: clean up globalmem

Signed-off-by: Barry Song <21cnbao@gmail.com>
drivers: add a multiple instance version of globalmem

Signed-off-by: Barry Song <21cnbao@gmail.com>
drivers: drop globalmem.mod.c

Signed-off-by: Barry Song <21cnbao@gmail.com>
drivers: ch7: cleanup globalmem with mutex

Signed-off-by: Barry Song <21cnbao@gmail.com>