gpu: nova-core: fix bounds check in PmuLookupTableEntry::new

data is sliced from 2..6, but the bounds check data.len() < 5
does not satisfy those bounds.

Fixes: 47c4846 ("gpu: nova-core: vbios: Add support for FWSEC ucode extraction")
Reviewed-by: Alexandre Courbot <[email protected]>
Reviewed-by: Joel Fernandes <[email protected]>
Signed-off-by: Rhys Lloyd <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Courbot <[email protected]>

Author: krakow10

drivers/gpu/nova-core/vbios.rs

@@ -901,7 +901,7 @@ struct PmuLookupTableEntry {
 
 impl PmuLookupTableEntry {
     fn new(data: &[u8]) -> Result<Self> {
-        if data.len() < 5 {
+        if data.len() < 6 {
             return Err(EINVAL);
         }