tree ffc7f3912465ac8be49c922c3cc2afc7faf2b6b6
parent 6a8295cfa92e7576d3b8f3d367d4b9be03e0bf7e
author Kévin Redon <kredon@sysmocom.de> 1548938172 +0100
committer Kévin Redon <kredon@sysmocom.de> 1549551365 +0100

add ISO7816 peripherals

configure SERCOM 0 to 6 peripherals to communicate using the
ISO7816 T=0 protocol.
SERCOM7 should be for the 8th SIM card, but for now it is used as
UART debug output.
Auto-detection between SERCOM for the 8th SIM and debug UART will
be done later.

Change-Id: I3f1411ec5bc2ed7dfa714550d041f52be665132a