Use default_config to populate bifurcation data.

An array of config data needs to be used for pcie-bifurcation instead
of just max_lines.

Testing:
Along with the configuration file changes, verified that the expected
pcie-bifurcation data is populated correctly.

root@msah5-nfd11:/usr/share/pcie-bifurcation# hexdump /tmp/soc_firmware/host0/pcie.cfg
0000000 0104 0210 0808 1001 0101
000000a
root@msah5-nfd11:/usr/share/pcie-bifurcation# hexdump /tmp/soc_firmware/host1/pcie.cfg
0000000 0104 0210 0808 1001 0101
000000a

Change-Id: I3226c0817eaaf7a310c52ba69cb80e27777d4130
Signed-off-by: Vamsy Krishna Nooney <vamsykn@google.com>