target/ppc: Fix e200 duplicate SPRs DSRR0/1 registers are in the BookE ISA not e200 specific, so remove the duplicate e200 register definitions. Cc: Roman Kapl <rka@sysgo.com> Cc: qemu-stable@nongnu.org Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2768 Fixes: 0e3bf4890906 ("ppc: add DBCR based debugging") Signed-off-by: Nicholas Piggin <npiggin@gmail.com>