driver: rx: clear RX interrupt after reading the frame

Closes #150
3 jobs for 106-simple-driver-in-userspace in 3 minutes and 22 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #6080
triggered
build_driver

00:00:31

passed #6079
triggered
build_ip_and_tests

00:00:49

 
  Test
passed #6081
triggered
test_ip_fast

00:02:33

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