Fix the below build error:
| build: src/livetree.c
| .../hypervisor/git-r3/git/src/devtree.c: In function 'read_intmap':
| .../hypervisor/git-r3/git/src/devtree.c:1513:25: error: argument to
| 'sizeof' in 'memset' call is the same expression as the destination;
| did you mean to dereference it? [-Werror=sizeof-pointer-memaccess]
| memset(ent, 0, sizeof(ent));
| ^
| cc1: all warnings being treated as errors
| build: src/ipi_doorbell.c
| make[1]: *** [bin/devtree.o] Error 1
| make[1]: *** Waiting for unfinished jobs....
| make[1]: Leaving directory `.../hypervisor/git-r3/git/output'
| make: *** [all] Error 2
| ERROR: oe_runmake failed
