[coreboot-gerrit] Change in ...coreboot[master]: lib/libgcc.c: Fix shift warnings

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/23361 )

Change subject: lib/libgcc.c: Fix shift warnings
......................................................................

lib/libgcc.c: Fix shift warnings

```
  if (!(a & (0xffff << 16))) {
                    ^~
src/lib/libgcc.c:40:18: error: result of '255 << 24' requires 33 bits to represent, but 'int' only has 32 bits [-Werror=shift-overflow=]
  if (!(a & (0xff << 24))) {
                  ^~
src/lib/libgcc.c:45:17: error: result of '15 << 28' requires 33 bits to represent, but 'int' only has 32 bits [-Werror=shift-overflow=]
  if (!(a & (0xf << 28))) {
                 ^~
```

Change-Id: I7bdd75c20a76b303743d7e7e0d3a6503760284fd
Signed-off-by: Paul Menzel 
Reviewed-on: https://review.coreboot.org/c/23361
Tested-by: build bot (Jenkins) 
Reviewed-by: Patrick Rudolph 
Reviewed-by: Julius Werner 
Reviewed-by: HAOUAS Elyes 
---
M src/lib/libgcc.c
1 file changed, 3 insertions(+), 3 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  HAOUAS Elyes: Looks good to me, but someone else must approve
  Julius Werner: Looks good to me, approved
  Patrick Rudolph: Looks good to me, but someone else must approve

diff --git a/src/lib/libgcc.c b/src/lib/libgcc.c
index 369346c..99a0749 100644
--- a/src/lib/libgcc.c
+++ b/src/lib/libgcc.c
@@ -32,17 +32,17 @@
    };
    int r = 0;

-	if (!(a & (0xffff << 16))) {
+	if (!(a & (0xffffU << 16))) {
    	r += 16;
    	a <<= 16;
    }

-	if (!(a & (0xff << 24))) {
+	if (!(a & (0xffU << 24))) {
    	r += 8;
    	a <<= 8;
    }

-	if (!(a & (0xf << 28))) {
+	if (!(a & (0xfU << 28))) {
    	r += 4;
    	a <<= 4;
    }