wifi: iwlwifi: fw: print PC register value instead of address

wifi: iwlwifi: fw: print PC register value instead of address

The program counter address is read from the TLV and
PC address is printed in debug messages.
Read the value at PC address and print the value
instead of the register address.

Fixes: 5e31b3df86ec ("wifi: iwlwifi: dbg: print pc register data once fw dump occurred")
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230612184434.e5a5f18f1b2c.Ib6117a4e7f66a075913241cc81477c0059953d5d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>