Yes, you can just short the points.
If you had the UART working you could see better how the Firehose loader was going in and also the state of Secure Boot.
Spoiler:
Code:
Format: Log Type - Time(microsec) - Message - Optional Info
Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
S - QC_IMAGE_VERSION_STRING=BOOT.XF.1.4-00246-S660LZB-1
S - IMAGE_VARIANT_STRING=Sdm660LA
S - OEM_IMAGE_VERSION_STRING=cibuild
S - Boot Interface: Unknown
S - Secure Boot: Off
S - Boot Config @ 0x00786070 = 0x000001c1
S - JTAG ID @ 0x00786130 = 0x000cc0e1
S - OEM ID @ 0x00786138 = 0x00000000
S - Serial Number @ 0x00784138 = 0x12345678
S - OEM Config Row 0 @ 0x00784188 = 0x0000000000000000
S - OEM Config Row 1 @ 0x00784190 = 0x0000000000000000
S - Feature Config Row 0 @ 0x007841a0 = 0x007030000b580100
S - Feature Config Row 1 @ 0x007841a8 = 0x00000000000000c0
S - Core 0 Frequency, 3715 MHz
S - PBL Patch Ver: 5
S - I-cache: On
S - D-cache: On
B - 0 - PBL, Start
B - 7024 - bootable_media_detect_entry, Start
B - 147371 - bootable_media_detect_success, Start
B - 147377 - elf_loader_entry, Start
B - 11829737 - auth_hash_seg_entry, Start
B - 11830037 - auth_hash_seg_exit, Start
B - 11938655 - elf_segs_hash_verify_entry, Start
B - 11991564 - elf_segs_hash_verify_exit, Start
B - 11992361 - auth_xbl_sec_hash_seg_entry, Start
B - 12021499 - auth_xbl_sec_hash_seg_exit, Start
B - 12021501 - xbl_sec_segs_hash_verify_entry, Start
B - 12028213 - xbl_sec_segs_hash_verify_exit, Start
B - 12028258 - PBL, End
B - 0 - SBL1, Start
B - 12169286 - Entering DeviceProg lite
B - 13173926 - usb: init start
B - 13173956 - usb: SUPER , 0x900e
B - 13175847 - usb: ENUM success