iwlwifi: dbg_ini: fix compile time assert build errors

iwlwifi: dbg_ini: fix compile time assert build errors

This patch fixes and preserves existing code style, and readability,
for IWL_ERR() and IWL_WARN() macros invocations recently added in dbg.c

Fixes the following build errors with Android build system:

/home/utente/pie-x86_kernel/kernel/drivers/net/wireless/intel/iwlwifi/fw/dbg.c: In function '_iwl_fw_dbg_apply_point':
/home/utente/pie-x86_kernel/kernel/drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2445:3:
error: call to '__compiletime_assert_2446' declared with attribute error: BUILD_BUG_ON failed: err_str[sizeof(err_str) - 2] != '\n'
/home/utente/pie-x86_kernel/kernel/drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2451:3:
error: call to '__compiletime_assert_2452' declared with attribute error: BUILD_BUG_ON failed: err_str[sizeof(err_str) - 2] != '\n'
...
/home/utente/pie-x86_kernel/kernel/drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2789:5:
error: call to '__compiletime_assert_2790' declared with attribute error: BUILD_BUG_ON failed: invalid_ap_str[sizeof(invalid_ap_str) - 2] != '\n'
/home/utente/pie-x86_kernel/kernel/drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2800:5:
error: call to '__compiletime_assert_2801' declared with attribute error: BUILD_BUG_ON failed: invalid_ap_str[sizeof(invalid_ap_str) - 2] != '\n'

Fixes: afd8fcee8ec7 ("iwlwifi: dbg_ini: enforce apply point early on buffer allocation tlv")
Fixes: 88c7350b46e8 ("iwlwifi: dbg_ini: support debug info TLV")
Signed-off-by: Mauro Rossi <issor.oruam@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>