target/i386/kvm: Replace use of __u32 type

QEMU coding style mandates to not use Linux kernel internal
types for scalars types. Replace __u32 by uint32_t.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211116193955.2793171-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

target/i386/kvm/kvm.c

@@ -1406,7 +1406,7 @@ static int hyperv_fill_cpuids(CPUState *cs,
     c->edx = cpu->hyperv_limits[2];
 
     if (hyperv_feat_enabled(cpu, HYPERV_FEAT_EVMCS)) {
-        __u32 function;
+        uint32_t function;
 
         /* Create zeroed 0x40000006..0x40000009 leaves */
         for (function = HV_CPUID_IMPLEMENT_LIMITS + 1;