target-unicore32: Clean up ENV_GET_CPU() usage

Commit fdfba1a2 added a usage of
ENV_GET_CPU() macro in target-specific code.

Use uc32_env_get_cpu() instead.

Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: NAndreas Färber <afaerber@suse.de>

target-unicore32/softmmu.c

@@ -121,7 +121,7 @@ static int get_phys_addr_ucv2(CPUUniCore32State *env, uint32_t address,
         int access_type, int is_user, uint32_t *phys_ptr, int *prot,
         target_ulong *page_size)
 {
-    CPUState *cs = ENV_GET_CPU(env);
+    CPUState *cs = CPU(uc32_env_get_cpu(env));
     int code;
     uint32_t table;
     uint32_t desc;