lsslot: fix reporting of L3 caches with -b option

Currently if a L2 cache has an associated dependent L3 cache the lsslot
command for cpu connector types will fail to report the L3 cache when
using the -b option. This is due to a typo such that the check is made
between the the L2 caches l2-cache property value and its own
ibm,phandle property. The check should be against the L3 caches
ibm,phandle property as the l2-cache property contains the phandle of
the dependent cache.

Without patch:
./src/drmgr/lsslot -c cpu -b
drc-name  OFDT-node           drc_index  thread id(s)             l2-cache       l3-cache
CPU 1     PowerPC,POWER8@0    10000000   0  1  2  3  4  5  6  7   l2-cache@200a  N/A

With patch:
./src/drmgr/lsslot -c cpu -b
drc-name  OFDT-node           drc_index  thread id(s)             l2-cache       l3-cache
CPU 1     PowerPC,POWER8@0    10000000   0  1  2  3  4  5  6  7   l2-cache@200a  l3-cache@310a

Signed-off-by: Tyrel Datwyler <[email protected]>

Author: tyreld

src/drmgr/common_cpu.c

@@ -414,7 +414,7 @@ cache_get_dependent_cache(struct cache_info *cache, struct dr_info *dr_info)
 		if (cache->removed)
 			continue;
 
-		if (cache->phandle == cache->l2cache) {
+		if (c->phandle == cache->l2cache) {
 			say(EXTRA_DEBUG, "found cache %s for cache %s\n",
 			    c->name, cache->name);
 			return c;