gpu/drm/radeon: Fix typo in comments

Signed-off-by: Zhenneng Li <lizhenneng@kylinos.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/atombios.h

@@ -3599,7 +3599,7 @@ typedef struct  _ATOM_LCD_RTS_RECORD
   UCHAR     ucRTSValue;
 }ATOM_LCD_RTS_RECORD;
 
-//!! If the record below exits, it shoud always be the first record for easy use in command table!!! 
+//!! If the record below exits, it should always be the first record for easy use in command table!!!
 // The record below is only used when LVDS_Info is present. From ATOM_LVDS_INFO_V12, use ucLCDPanel_SpecialHandlingCap instead.
 typedef struct  _ATOM_LCD_MODE_CONTROL_CAP
 {
@@ -3823,7 +3823,7 @@ typedef struct _ATOM_DPCD_INFO
 // Note1: This table is filled by SetBiosReservationStartInFB in CoreCommSubs.asm
 //        at running time.   
 // note2: From RV770, the memory is more than 32bit addressable, so we will change 
-//        ucTableFormatRevision=1,ucTableContentRevision=4, the strcuture remains 
+//        ucTableFormatRevision=1,ucTableContentRevision=4, the structure remains
 //        exactly same as 1.1 and 1.2 (1.3 is never in use), but ulStartAddrUsedByFirmware 
 //        (in offset to start of memory address) is KB aligned instead of byte aligend.
 /***********************************************************************************/	
@@ -3858,7 +3858,7 @@ typedef struct _ATOM_VRAM_USAGE_BY_FIRMWARE
   ATOM_FIRMWARE_VRAM_RESERVE_INFO	asFirmwareVramReserveInfo[ATOM_MAX_FIRMWARE_VRAM_USAGE_INFO];
 }ATOM_VRAM_USAGE_BY_FIRMWARE;
 
-// change verion to 1.5, when allow driver to allocate the vram area for command table access. 
+// change version to 1.5, when allow driver to allocate the vram area for command table access.
 typedef struct _ATOM_FIRMWARE_VRAM_RESERVE_INFO_V1_5
 {
   ULONG   ulStartAddrUsedByFirmware;