root@arm:/lib/firmware# cat $SLOTS
 0: 54:PF--- 
 1: 55:PF--- 
 2: 56:PF--- 
 3: 57:PF--- 
 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
 5: ff:P-O-L Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
root@arm:/lib/firmware# cat $PINS|grep 878
pin 30 (44e10878) 00000037 pinctrl-single 
root@arm:/lib/firmware# echo DM-GPIO-Test >$SLOTS   
[  127.079135] bone-capemgr bone_capemgr.8: part_number 'DM-GPIO-Test', version 'N/A'
[  127.088297] bone-capemgr bone_capemgr.8: slot #7: generic override
[  127.094896] bone-capemgr bone_capemgr.8: bone: Using override eeprom data at slot 7
[  127.102966] bone-capemgr bone_capemgr.8: slot #7: 'Override Board Name,00A0,Override Manuf,DM-GPIO-Test'
[  127.113578] bone-capemgr bone_capemgr.8: slot #7: Requesting part number/version based 'DM-GPIO-Test-00A0.dtbo
[  127.124473] bone-capemgr bone_capemgr.8: slot #7: Requesting firmware 'DM-GPIO-Test-00A0.dtbo' for board-name 'Override Board Name', version '00A0'
[  127.140640] bone-capemgr bone_capemgr.8: slot #7: dtbo 'DM-GPIO-Test-00A0.dtbo' loaded; converting to live tree
[  127.152268] bone-capemgr bone_capemgr.8: slot #7: #2 overlays
[  127.164593] bone-capemgr bone_capemgr.8: slot #7: Applied #2 overlays.
root@arm:/lib/firmware# cat $SLOTS
 0: 54:PF--- 
 1: 55:PF--- 
 2: 56:PF--- 
 3: 57:PF--- 
 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
 5: ff:P-O-L Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
 7: ff:P-O-L Override Board Name,00A0,Override Manuf,DM-GPIO-Test
root@arm:/lib/firmware# echo $PINS | grep 878
root@arm:/lib/firmware# cat $PINS|grep 878
pin 30 (44e10878) 00000007 pinctrl-single 
root@arm:/lib/firmware# echo - DM-GPIO-Test >$SLOTS 
[  170.552276] bone-capemgr bone_capemgr.8: Removed slot #0
root@arm:/lib/firmware# cat $SLOTS
 1: 55:PF--- 
 2: 56:PF--- 
 3: 57:PF--- 
 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
 5: ff:P-O-L Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
 7: ff:P-O-L Override Board Name,00A0,Override Manuf,DM-GPIO-Test
root@arm:/lib/firmware#