drm/amdgpu: use string choice helpers

Use string choice helpers for better readability.

Reported-by: kernel test robot <[e-mail]>
Reported-by: Julia Lawall <[e-mail]>
Closes: https://lore.kernel.org/r/[e-mail]/
Signed-off-by: R Sundar <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 		dev_err_ratelimited(&i2c_adap->dev,
 				    "maddr:0x%04X size:0x%02X:quirk max_%s_len must be > %d",
 				    eeprom_addr, buf_size,
-				    read ? "read" : "write", EEPROM_OFFSET_SIZE);
+				    str_read_write(read), EEPROM_OFFSET_SIZE);
 		return -EINVAL;
 	}