Fix this build warning, which is generated if micro logs are enabled:
In file included from ../../core/cfs/cfs-coffee.c:59:0:
../../core/cfs/cfs-coffee.c: In function 'read_log_page':
../../cpu/cc2538/./cfs-coffee-arch.h:145:24: warning: passing argument 1 of 'cfs_coffee_arch_read' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
cfs_coffee_arch_read((buf), (size), (offset))
^
../../core/cfs/cfs-coffee.c:757:3: note: in expansion of macro 'COFFEE_READ'
COFFEE_READ(lp->buf, lp->size, base);
^
../../cpu/cc2538/./cfs-coffee-arch.h:176:6: note: expected 'void *' but argument is of type 'const char *'
void cfs_coffee_arch_read(void *buf, unsigned int size, cfs_offset_t offset);
^
COFFEE_READ() needs to write to lp->buf, so the target type of this
pointer cannot be qualified as "const".
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
d70c75914a