Generate compressed shift instructions for rv32

The non-compressed shift instructions have _rv32 versions. Do
the same for the compressed shift instructions.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>

rv32_c

@@ -1,5 +1,5 @@
 # quadrant 1
 c.jal c_imm12              1..0=1 15..13=1
-$pseudo_op rv64_c::c.srli c.srli rd_rs1_p c_nzuimm5  1..0=1 15..13=4 12..10=0
-$pseudo_op rv64_c::c.srai c.srai rd_rs1_p c_nzuimm5  1..0=1 15..13=4 12..10=1
-$pseudo_op rv64_c::c.slli c.slli rd_rs1_n0 c_nzuimm6lo  1..0=2 15..12=0 
+$pseudo_op rv64_c::c.srli c.srli_rv32 rd_rs1_p c_nzuimm5  1..0=1 15..13=4 12..10=0
+$pseudo_op rv64_c::c.srai c.srai_rv32 rd_rs1_p c_nzuimm5  1..0=1 15..13=4 12..10=1
+$pseudo_op rv64_c::c.slli c.slli_rv32 rd_rs1_n0 c_nzuimm6lo  1..0=2 15..12=0