getchar() didn't get the shift value correct and never returned the
first character. This never really mattered since it was only ever
used for press-a-key-to-continue prompts. but it tripped me up when
debugging a QEMU console output problem.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
  lib/powerpc/hcall.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/powerpc/hcall.c b/lib/powerpc/hcall.c
index 711cb1b0f..b4d39ac65 100644
--- a/lib/powerpc/hcall.c
+++ b/lib/powerpc/hcall.c

@@ -43,5 +43,5 @@ int __getchar(void)
  	asm volatile (" sc 1 "  : "+r"(r3), "+r"(r4), "=r"(r5)
  				: "r"(r3),  "r"(r4));
  
-	return r3 == H_SUCCESS && r4 > 0 ? r5 >> 48 : -1;
+	return r3 == H_SUCCESS && r4 > 0 ? r5 >> 56 : -1;
  }