drm/amdgpu: clean up some inconsistent indenting

Eliminate the follow smatch warning:

drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c:35 nbio_v7_7_get_rev_id() warn:
inconsistent indenting.

drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c:214 nbio_v7_7_init_registers()
warn: inconsistent indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c

@@ -32,8 +32,7 @@ static u32 nbio_v7_7_get_rev_id(struct amdgpu_device *adev)
 {
 	u32 tmp;
 
-		tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
-
+	tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
 	tmp &= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
 	tmp >>= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
 
@@ -211,14 +210,14 @@ static void nbio_v7_7_init_registers(struct amdgpu_device *adev)
 {
 	uint32_t def, data;
 
-		def = data = RREG32_SOC15(NBIO, 0, regBIF0_PCIE_MST_CTRL_3);
-		data = REG_SET_FIELD(data, BIF0_PCIE_MST_CTRL_3,
-			CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
-		data = REG_SET_FIELD(data, BIF0_PCIE_MST_CTRL_3,
-			CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
+	def = data = RREG32_SOC15(NBIO, 0, regBIF0_PCIE_MST_CTRL_3);
+	data = REG_SET_FIELD(data, BIF0_PCIE_MST_CTRL_3,
+			     CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
+	data = REG_SET_FIELD(data, BIF0_PCIE_MST_CTRL_3,
+			     CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
 
-		if (def != data)
-			WREG32_SOC15(NBIO, 0, regBIF0_PCIE_MST_CTRL_3, data);
+	if (def != data)
+		WREG32_SOC15(NBIO, 0, regBIF0_PCIE_MST_CTRL_3, data);
 
 }