Test ffcsr, fflags and frmcsr, fflags and frm with Csrrwi and Csrrw

Existing tests were enough for interpreter, but lite translator
introduces separate code path for immediates handling this we want to
test both register and immediate versions of instructions that write to
fcsr, fflags and frm.

Bug: 301768414

Test: m berberis_all

Change-Id: I6e35f86fc88b8c6e81c5ea8f18d5ce2a6da335b0
1 file changed