global: Use proper project name U-Boot (next)

Use proper project name in DTs, messages and READMEs.

Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/board/freescale/ls1012ardb/README b/board/freescale/ls1012ardb/README
index 5b6f306..26b0485 100644
--- a/board/freescale/ls1012ardb/README
+++ b/board/freescale/ls1012ardb/README
@@ -48,8 +48,8 @@
 Images		| Size	|QSPI Flash Address
 ------------------------------------------
 RCW + PBI	| 1MB	| 0x4000_0000
-U-boot		| 1MB	| 0x4010_0000
-U-boot Env	| 1MB	| 0x4020_0000
+U-Boot		| 1MB	| 0x4010_0000
+U-Boot Env	| 1MB	| 0x4020_0000
 PPA FIT image	| 2MB	| 0x4050_0000
 Linux ITB	| ~53MB | 0x40A0_0000
 
@@ -90,8 +90,8 @@
 Images		| Size	|QSPI Flash Address
 ------------------------------------------
 RCW + PBI	| 1MB	| 0x4000_0000
-U-boot		| 1MB	| 0x4010_0000
-U-boot Env	| 1MB	| 0x4030_0000
+U-Boot		| 1MB	| 0x4010_0000
+U-Boot Env	| 1MB	| 0x4030_0000
 PPA FIT image	| 2MB	| 0x4040_0000
 PFE firmware	| 20K	| 0x00a0_0000
 Linux ITB	| ~53MB | 0x4100_0000