treat partition end lba as inclusive

boot0.s

@@ -247,12 +247,12 @@ STAGE2_GPT_ENTRY_ADDR  equ 0x1a
   ; Load partition LBA end.
   mov ecx, [si + 0x28]
   mov edx, [si + 0x2c]
-  ; Assert that the end LBA is greater than the start LBA, so we have at least one sector to load.
-  ; TODO: is the end LBA inclusive?
+  ; Assert that the end LBA is greater than or equal to the start LBA, so we have at least one
+  ; sector to load (end LBA is inclusive).
   or edx, edx
   jnz .stage2_end_lba_ok
   cmp eax, ecx
-  jae .panic
+  ja .panic
 .stage2_end_lba_ok:
 
   mov bx, 0x8200