pkg-cmake.mk: Fix ARM variant typo

Signed-off-by: Assaf Inbal <shmuelzon@gmail.com>
Acked-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/pkg-cmake.mk

@@ -212,7 +212,7 @@ endif
 ifeq ($(BR2_arm),y)
 CMAKE_SYSTEM_PROCESSOR = $(CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT)l
 else ifeq ($(BR2_armeb),y)
-CMAKE_SYSTEM_PROCESSOR = $(CMAKE_SYSTEM_PROCESSORARM_VARIANT)b
+CMAKE_SYSTEM_PROCESSOR = $(CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT)b
 else
 CMAKE_SYSTEM_PROCESSOR = $(BR2_ARCH)
 endif