Embedded Linux labs: remove extra brace

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>

common/sysdev-kernel-cross-compiling-sama5d3.tex

@@ -18,7 +18,7 @@ \section{Flashing the kernel and DTB in NAND flash}
 % Verbatim doesn't seem to work in this \ifdefstring environment
 
 \begin{ubootinput}
-=> nand erase 0x180000 0x20000} %\rmfamily({\em NAND-offset size})%
+=> nand erase 0x180000 0x20000 %\rmfamily({\em NAND-offset size})%
 \end{ubootinput}
 
 Then, let's erase the 5 MiB of NAND flash for the kernel image:
@@ -33,7 +33,7 @@ \section{Flashing the kernel and DTB in NAND flash}
 
 % Verbatim doesn't seem to work in this \ifdefstring environment
 \begin{ubootinput}
-=> nand write 0x22000000 0x180000 0x20000} %\rmfamily({\em RAM-addr NAND-offset size})%
+=> nand write 0x22000000 0x180000 0x20000 %\rmfamily({\em RAM-addr NAND-offset size})%
 => nand write 0x21000000 0x1a0000 0x500000
 \end{ubootinput}
 
@@ -42,7 +42,7 @@ \section{Flashing the kernel and DTB in NAND flash}
 
 % Verbatim doesn't seem to work in this \ifdefstring environment
 \begin{ubootinput}
-=> nand read 0x22000000 0x180000 0x20000} %\rmfamily({\em RAM-addr offset size})%
+=> nand read 0x22000000 0x180000 0x20000 %\rmfamily({\em RAM-addr offset size})%
 => nand read 0x21000000 0x1a0000 0x500000
 => bootz 0x21000000 - 0x22000000
 \end{ubootinput}